Remove prod|try Linux|Mac build_gallery builders. (#334)

Framework part of https://github.com/flutter/flutter/issues/74462

Fixes https://github.com/flutter/flutter/issues/73721.
diff --git a/config/framework_config.star b/config/framework_config.star
index ce42d18..dcc0bc6 100644
--- a/config/framework_config.star
+++ b/config/framework_config.star
@@ -353,19 +353,6 @@
         caches = LINUX_DEFAULT_CACHES,
     )
     common.linux_prod_builder(
-        name = "Linux%s build_gallery|dg" % ("" if branch == "master" else " " + branch),
-        recipe = new_recipe_name,
-        console_view_name = console_view_name,
-        triggered_by = [trigger_name],
-        triggering_policy = triggering_policy,
-        properties = {
-            "validation": "build_gallery",
-            "validation_name": "Build gallery",
-            "dependencies": [{"dependency": "android_sdk"}],
-        },
-        caches = LINUX_DEFAULT_CACHES,
-    )
-    common.linux_prod_builder(
         name = "Linux%s flutter_plugins|fltplgns" % ("" if branch == "master" else " " + branch),
         recipe = drone_recipe_name,
         console_view_name = console_view_name,
@@ -565,26 +552,6 @@
         caches = MAC_DEFAULT_CACHES,
     )
 
-    common.mac_prod_builder(
-        name = "Mac%s build_gallery|dg_test" % ("" if branch == "master" else " " + branch),
-        recipe = new_recipe_name,
-        console_view_name = console_view_name,
-        triggered_by = [trigger_name],
-        triggering_policy = triggering_policy,
-        properties = {
-            "validation": "build_gallery",
-            "validation_name": "Build gallery",
-            "dependencies": [{"dependency": "xcode"}, {"dependency": "gems"}],
-            "$depot_tools/osx_sdk": {
-                "sdk_version": XCODE_VERSION,
-            },
-            "$flutter/osx_sdk": {
-                "sdk_version": XCODE_VERSION,
-            },
-        },
-        caches = MAC_DEFAULT_CACHES,
-    )
-
 def framework_try_config():
     """Try configurations for the framework repository."""
 
@@ -772,18 +739,6 @@
         },
         caches = LINUX_DEFAULT_CACHES,
     )
-    common.linux_try_builder(
-        name = "Linux build_gallery|dg",
-        recipe = "flutter/flutter",
-        repo = repos.FLUTTER,
-        list_view_name = list_view_name,
-        properties = {
-            "validation": "build_gallery",
-            "validation_name": "Build gallery",
-            "dependencies": [{"dependency": "android_sdk"}],
-        },
-        caches = LINUX_DEFAULT_CACHES,
-    )
 
     # Mac platform
     common.mac_try_builder(
@@ -888,25 +843,6 @@
         caches = MAC_DEFAULT_CACHES,
     )
 
-    common.mac_try_builder(
-        name = "Mac build_gallery|dg",
-        recipe = "flutter/flutter",
-        repo = repos.FLUTTER,
-        list_view_name = list_view_name,
-        properties = {
-            "validation": "build_gallery",
-            "validation_name": "Build gallery",
-            "dependencies": [{"dependency": "xcode"}, {"dependency": "gems"}],
-            "$depot_tools/osx_sdk": {
-                "sdk_version": XCODE_VERSION,
-            },
-            "$flutter/osx_sdk": {
-                "sdk_version": XCODE_VERSION,
-            },
-        },
-        caches = MAC_DEFAULT_CACHES,
-    )
-
     # Windows platform
     common.windows_try_builder(
         name = "Windows build_tests|bld_tests",
diff --git a/config/generated/flutter/luci/cr-buildbucket.cfg b/config/generated/flutter/luci/cr-buildbucket.cfg
index 203c262..5d999f6 100644
--- a/config/generated/flutter/luci/cr-buildbucket.cfg
+++ b/config/generated/flutter/luci/cr-buildbucket.cfg
@@ -1879,54 +1879,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Linux beta build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Linux"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter_1_25_0"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"android_sdk\"}]"
-        properties_j: "fuchsia_ctl_version:\"version:0.0.23\""
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Linux beta build_tests"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Linux"
@@ -5168,54 +5120,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Linux build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Linux"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"android_sdk\"}]"
-        properties_j: "fuchsia_ctl_version:\"version:0.0.23\""
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Linux build_tests"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Linux"
@@ -6654,54 +6558,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Linux dev build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Linux"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"android_sdk\"}]"
-        properties_j: "fuchsia_ctl_version:\"version:0.0.23\""
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Linux dev build_tests"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Linux"
@@ -12862,54 +12718,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Linux stable build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Linux"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter_1_22_0"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"android_sdk\"}]"
-        properties_j: "fuchsia_ctl_version:\"version:0.0.23\""
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Linux stable build_tests"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Linux"
@@ -17537,63 +17345,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Mac beta build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Mac-10.15"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter_1_25_0"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$depot_tools/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$flutter/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"xcode\"},{\"dependency\":\"gems\"}]"
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "osx_sdk"
-        path: "osx_sdk"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      caches {
-        name: "xcode_binary"
-        path: "xcode_binary"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Mac beta build_ios_framework_module_test"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Mac-10.15"
@@ -18715,63 +18466,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Mac build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Mac-10.15"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$depot_tools/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$flutter/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"xcode\"},{\"dependency\":\"gems\"}]"
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "osx_sdk"
-        path: "osx_sdk"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      caches {
-        name: "xcode_binary"
-        path: "xcode_binary"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Mac build_ios_framework_module_test"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Mac-10.15"
@@ -19234,63 +18928,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Mac dev build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Mac-10.15"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$depot_tools/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$flutter/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"xcode\"},{\"dependency\":\"gems\"}]"
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "osx_sdk"
-        path: "osx_sdk"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      caches {
-        name: "xcode_binary"
-        path: "xcode_binary"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Mac dev build_ios_framework_module_test"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Mac-10.15"
@@ -21398,63 +21035,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Mac stable build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Mac-10.15"
-      dimensions: "pool:luci.flutter.prod"
-      recipe {
-        name: "flutter/flutter_1_22_0"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$depot_tools/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$flutter/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"xcode\"},{\"dependency\":\"gems\"}]"
-        properties_j: "gold_tryjob:false"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:true"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "osx_sdk"
-        path: "osx_sdk"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      caches {
-        name: "xcode_binary"
-        path: "xcode_binary"
-      }
-      build_numbers: YES
-      service_account: "flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Mac stable build_ios_framework_module_test"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Mac-10.15"
@@ -37896,54 +37476,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Linux build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Linux"
-      dimensions: "pool:luci.flutter.try"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"android_sdk\"}]"
-        properties_j: "fuchsia_ctl_version:\"version:0.0.23\""
-        properties_j: "gold_tryjob:true"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:false"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      build_numbers: YES
-      service_account: "flutter-try-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Linux build_tests"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Linux"
@@ -39555,63 +39087,6 @@
       task_template_canary_percentage {}
     }
     builders {
-      name: "Mac build_gallery"
-      swarming_host: "chromium-swarm.appspot.com"
-      dimensions: "os:Mac-10.15"
-      dimensions: "pool:luci.flutter.try"
-      recipe {
-        name: "flutter/flutter"
-        cipd_package: "flutter/recipe_bundles/flutter.googlesource.com/recipes"
-        cipd_version: "refs/heads/master"
-        properties_j: "$depot_tools/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$flutter/osx_sdk:{\"sdk_version\":\"11e708\"}"
-        properties_j: "$fuchsia/goma:{\"server\":\"rbe-prod1.endpoints.fuchsia-infra-goma-prod.cloud.goog\"}"
-        properties_j: "$kitchen:{\"emulate_gce\":true}"
-        properties_j: "$recipe_engine/isolated:{\"server\":\"https://isolateserver.appspot.com\"}"
-        properties_j: "$recipe_engine/swarming:{\"server\":\"https://chromium-swarm.appspot.com\"}"
-        properties_j: "clobber:false"
-        properties_j: "dependencies:[{\"dependency\":\"xcode\"},{\"dependency\":\"gems\"}]"
-        properties_j: "gold_tryjob:true"
-        properties_j: "goma_jobs:\"200\""
-        properties_j: "mastername:\"client.flutter\""
-        properties_j: "upload_packages:false"
-        properties_j: "validation:\"build_gallery\""
-        properties_j: "validation_name:\"Build gallery\""
-      }
-      execution_timeout_secs: 3600
-      caches {
-        name: "android_sdk"
-        path: "android"
-      }
-      caches {
-        name: "chrome_and_driver"
-        path: "chrome"
-      }
-      caches {
-        name: "flutter_sdk"
-        path: "flutter sdk"
-      }
-      caches {
-        name: "openjdk"
-        path: "java"
-      }
-      caches {
-        name: "osx_sdk"
-        path: "osx_sdk"
-      }
-      caches {
-        name: "pub_cache"
-        path: ".pub-cache"
-      }
-      caches {
-        name: "xcode_binary"
-        path: "xcode_binary"
-      }
-      build_numbers: YES
-      service_account: "flutter-try-builder@chops-service-accounts.iam.gserviceaccount.com"
-      task_template_canary_percentage {}
-    }
-    builders {
       name: "Mac build_ios_framework_module_test"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "os:Mac-10.15"
diff --git a/config/generated/flutter/luci/luci-milo.cfg b/config/generated/flutter/luci/luci-milo.cfg
index 6e63fde..995a8db 100644
--- a/config/generated/flutter/luci/luci-milo.cfg
+++ b/config/generated/flutter/luci/luci-milo.cfg
@@ -3603,11 +3603,6 @@
     short_name: "web_smk"
   }
   builders {
-    name: "buildbucket/luci.flutter.prod/Linux stable build_gallery"
-    category: "Linux"
-    short_name: "dg"
-  }
-  builders {
     name: "buildbucket/luci.flutter.prod/Linux stable flutter_plugins"
     category: "Linux"
     short_name: "fltplgns"
@@ -3662,11 +3657,6 @@
     category: "Mac"
     short_name: "cst_test"
   }
-  builders {
-    name: "buildbucket/luci.flutter.prod/Mac stable build_gallery"
-    category: "Mac"
-    short_name: "dg_test"
-  }
   favicon_url: "https://storage.googleapis.com/flutter_infra/favicon.ico"
 }
 consoles {
@@ -3746,11 +3736,6 @@
     short_name: "web_smk"
   }
   builders {
-    name: "buildbucket/luci.flutter.prod/Linux beta build_gallery"
-    category: "Linux"
-    short_name: "dg"
-  }
-  builders {
     name: "buildbucket/luci.flutter.prod/Linux beta flutter_plugins"
     category: "Linux"
     short_name: "fltplgns"
@@ -3805,11 +3790,6 @@
     category: "Mac"
     short_name: "cst_test"
   }
-  builders {
-    name: "buildbucket/luci.flutter.prod/Mac beta build_gallery"
-    category: "Mac"
-    short_name: "dg_test"
-  }
   favicon_url: "https://storage.googleapis.com/flutter_infra/favicon.ico"
 }
 consoles {
@@ -3889,11 +3869,6 @@
     short_name: "web_smk"
   }
   builders {
-    name: "buildbucket/luci.flutter.prod/Linux dev build_gallery"
-    category: "Linux"
-    short_name: "dg"
-  }
-  builders {
     name: "buildbucket/luci.flutter.prod/Linux dev flutter_plugins"
     category: "Linux"
     short_name: "fltplgns"
@@ -3948,11 +3923,6 @@
     category: "Mac"
     short_name: "cst_test"
   }
-  builders {
-    name: "buildbucket/luci.flutter.prod/Mac dev build_gallery"
-    category: "Mac"
-    short_name: "dg_test"
-  }
   favicon_url: "https://storage.googleapis.com/flutter_infra/favicon.ico"
 }
 consoles {
@@ -4027,11 +3997,6 @@
     short_name: "web_smk"
   }
   builders {
-    name: "buildbucket/luci.flutter.prod/Linux build_gallery"
-    category: "Linux"
-    short_name: "dg"
-  }
-  builders {
     name: "buildbucket/luci.flutter.prod/Linux flutter_plugins"
     category: "Linux"
     short_name: "fltplgns"
@@ -4086,11 +4051,6 @@
     category: "Mac"
     short_name: "cst_test"
   }
-  builders {
-    name: "buildbucket/luci.flutter.prod/Mac build_gallery"
-    category: "Mac"
-    short_name: "dg_test"
-  }
   favicon_url: "https://storage.googleapis.com/flutter_infra/favicon.ico"
 }
 consoles {
@@ -4142,9 +4102,6 @@
     name: "buildbucket/luci.flutter.try/Linux web_smoke_test"
   }
   builders {
-    name: "buildbucket/luci.flutter.try/Linux build_gallery"
-  }
-  builders {
     name: "buildbucket/luci.flutter.try/Mac build_tests"
   }
   builders {
@@ -4163,9 +4120,6 @@
     name: "buildbucket/luci.flutter.try/Mac customer_testing"
   }
   builders {
-    name: "buildbucket/luci.flutter.try/Mac build_gallery"
-  }
-  builders {
     name: "buildbucket/luci.flutter.try/Windows build_tests"
   }
   builders {
diff --git a/config/generated/flutter/luci/luci-notify.cfg b/config/generated/flutter/luci/luci-notify.cfg
index 4e99408..1c9ecbd 100644
--- a/config/generated/flutter/luci/luci-notify.cfg
+++ b/config/generated/flutter/luci/luci-notify.cfg
@@ -440,17 +440,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Linux beta build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Linux beta build_tests"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -1188,17 +1177,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Linux build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Linux build_tests"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -1518,17 +1496,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Linux dev build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Linux dev build_tests"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -2926,17 +2893,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Linux stable build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Linux stable build_tests"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -3982,17 +3938,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Mac beta build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Mac beta build_ios_framework_module_test"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -4224,17 +4169,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Mac build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Mac build_ios_framework_module_test"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -4323,17 +4257,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Mac dev build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Mac dev build_ios_framework_module_test"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
@@ -4763,17 +4686,6 @@
   }
   builders {
     bucket: "prod"
-    name: "Mac stable build_gallery"
-    repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
-  }
-}
-notifiers {
-  notifications {
-    on_new_failure: true
-    notify_blamelist {}
-  }
-  builders {
-    bucket: "prod"
     name: "Mac stable build_ios_framework_module_test"
     repository: "https://chromium.googlesource.com/external/github.com/flutter/flutter"
   }
diff --git a/config/generated/flutter/luci/luci-scheduler.cfg b/config/generated/flutter/luci/luci-scheduler.cfg
index ac3be71..a91a720 100644
--- a/config/generated/flutter/luci/luci-scheduler.cfg
+++ b/config/generated/flutter/luci/luci-scheduler.cfg
@@ -540,20 +540,6 @@
   }
 }
 job {
-  id: "Linux beta build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Linux beta build_gallery"
-  }
-}
-job {
   id: "Linux beta build_tests"
   acl_sets: "prod"
   triggering_policy {
@@ -1492,20 +1478,6 @@
   }
 }
 job {
-  id: "Linux build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 3
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Linux build_gallery"
-  }
-}
-job {
   id: "Linux build_tests"
   acl_sets: "prod"
   triggering_policy {
@@ -1904,20 +1876,6 @@
   }
 }
 job {
-  id: "Linux dev build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Linux dev build_gallery"
-  }
-}
-job {
   id: "Linux dev build_tests"
   acl_sets: "prod"
   triggering_policy {
@@ -3688,20 +3646,6 @@
   }
 }
 job {
-  id: "Linux stable build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Linux stable build_gallery"
-  }
-}
-job {
   id: "Linux stable build_tests"
   acl_sets: "prod"
   triggering_policy {
@@ -5025,20 +4969,6 @@
   }
 }
 job {
-  id: "Mac beta build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Mac beta build_gallery"
-  }
-}
-job {
   id: "Mac beta build_ios_framework_module_test"
   acl_sets: "prod"
   triggering_policy {
@@ -5330,20 +5260,6 @@
   }
 }
 job {
-  id: "Mac build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 3
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Mac build_gallery"
-  }
-}
-job {
   id: "Mac build_ios_framework_module_test"
   acl_sets: "prod"
   triggering_policy {
@@ -5452,20 +5368,6 @@
   }
 }
 job {
-  id: "Mac dev build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Mac dev build_gallery"
-  }
-}
-job {
   id: "Mac dev build_ios_framework_module_test"
   acl_sets: "prod"
   triggering_policy {
@@ -6005,20 +5907,6 @@
   }
 }
 job {
-  id: "Mac stable build_gallery"
-  acl_sets: "prod"
-  triggering_policy {
-    kind: GREEDY_BATCHING
-    max_concurrent_invocations: 3
-    max_batch_size: 1
-  }
-  buildbucket {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.flutter.prod"
-    builder: "Mac stable build_gallery"
-  }
-}
-job {
   id: "Mac stable build_ios_framework_module_test"
   acl_sets: "prod"
   triggering_policy {
@@ -10817,7 +10705,6 @@
   id: "beta-gitiles-trigger-framework"
   acl_sets: "prod"
   triggers: "Linux beta analyze"
-  triggers: "Linux beta build_gallery"
   triggers: "Linux beta build_tests"
   triggers: "Linux beta customer_testing"
   triggers: "Linux beta docs"
@@ -10831,7 +10718,6 @@
   triggers: "Linux beta web_smoke_test"
   triggers: "Linux beta web_tests"
   triggers: "Linux beta web_tool_tests"
-  triggers: "Mac beta build_gallery"
   triggers: "Mac beta build_tests"
   triggers: "Mac beta customer_testing"
   triggers: "Mac beta framework_tests"
@@ -11027,7 +10913,6 @@
   id: "dev-gitiles-trigger-framework"
   acl_sets: "prod"
   triggers: "Linux dev analyze"
-  triggers: "Linux dev build_gallery"
   triggers: "Linux dev build_tests"
   triggers: "Linux dev customer_testing"
   triggers: "Linux dev docs"
@@ -11041,7 +10926,6 @@
   triggers: "Linux dev web_smoke_test"
   triggers: "Linux dev web_tests"
   triggers: "Linux dev web_tool_tests"
-  triggers: "Mac dev build_gallery"
   triggers: "Mac dev build_tests"
   triggers: "Mac dev customer_testing"
   triggers: "Mac dev framework_tests"
@@ -11389,7 +11273,6 @@
   id: "master-gitiles-trigger-framework"
   acl_sets: "prod"
   triggers: "Linux analyze"
-  triggers: "Linux build_gallery"
   triggers: "Linux build_tests"
   triggers: "Linux customer_testing"
   triggers: "Linux docs"
@@ -11403,7 +11286,6 @@
   triggers: "Linux web_smoke_test"
   triggers: "Linux web_tests"
   triggers: "Linux web_tool_tests"
-  triggers: "Mac build_gallery"
   triggers: "Mac build_tests"
   triggers: "Mac customer_testing"
   triggers: "Mac framework_tests"
@@ -11597,7 +11479,6 @@
   id: "stable-gitiles-trigger-framework"
   acl_sets: "prod"
   triggers: "Linux stable analyze"
-  triggers: "Linux stable build_gallery"
   triggers: "Linux stable build_tests"
   triggers: "Linux stable customer_testing"
   triggers: "Linux stable docs"
@@ -11611,7 +11492,6 @@
   triggers: "Linux stable web_smoke_test"
   triggers: "Linux stable web_tests"
   triggers: "Linux stable web_tool_tests"
-  triggers: "Mac stable build_gallery"
   triggers: "Mac stable build_tests"
   triggers: "Mac stable customer_testing"
   triggers: "Mac stable framework_tests"