Remove obsolete builders. (#39960) (#40225)

Remove obsolete builders.
diff --git a/.ci.yaml b/.ci.yaml
index fab4eac..2930682 100644
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -465,22 +465,6 @@
           {"dependency": "jazzy", "version": "0.14.1"}
         ]
 
-  - name:  Mac mac_ios_engine_profile
-    recipe: engine_v2/engine_v2
-    timeout: 60
-    properties:
-      config_name: mac_ios_engine_profile
-      $flutter/osx_sdk : >-
-        { "sdk_version": "14a5294e" }
-
-  - name:  Mac mac_ios_engine_release
-    recipe: engine_v2/engine_v2
-    timeout: 60
-    properties:
-      config_name: mac_ios_engine_release
-      $flutter/osx_sdk : >-
-        { "sdk_version": "14a5294e" }
-
   - name: Windows Android AOT Engine
     recipe: engine/engine
     properties:
diff --git a/ci/builders/mac_ios_engine_profile.json b/ci/builders/mac_ios_engine_profile.json
deleted file mode 100644
index 2d98913..0000000
--- a/ci/builders/mac_ios_engine_profile.json
+++ /dev/null
@@ -1,96 +0,0 @@
-{
-    "builds": [
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "debug",
-                "--simulator",
-                "--no-lto"
-            ],
-            "name": "ios_debug_sim",
-            "ninja": {
-                "config": "ios_debug_sim",
-                "targets": []
-            },
-            "tests": []
-        },
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "generators": {},
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "debug",
-                "--simulator",
-                "--simulator-cpu=arm64",
-                "--no-lto"
-            ],
-            "name": "ios_debug_sim_arm64",
-            "ninja": {
-                "config": "ios_debug_sim_arm64",
-                "targets": []
-            },
-            "tests": []
-        },
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "profile"
-            ],
-            "name": "ios_profile",
-            "ninja": {
-                "config": "ios_profile",
-                "targets": [
-                    "flutter/shell/platform/darwin/ios:flutter_framework",
-                    "flutter/lib/snapshot:generate_snapshot_bin"
-                ]
-            },
-            "tests": []
-        }
-    ],
-    "tests": [],
-    "generators": {
-        "tasks": [
-            {
-                "name": "Profile-FlutterMacOS.framework",
-                "parameters": [
-                    "--dst",
-                    "out/profile",
-                    "--arm64-out-dir",
-                    "out/ios_profile",
-                    "--simulator-x64-out-dir",
-                    "out/ios_debug_sim",
-                    "--simulator-arm64-out-dir",
-                    "out/ios_debug_sim_arm64"
-                ],
-                "script": "flutter/sky/tools/create_full_ios_framework.py",
-                "language": "python3"
-            }
-        ]
-    },
-    "archives": [
-        {
-            "source": "out/profile/artifacts.zip",
-            "destination": "ios-profile/artifacts.zip"
-        }
-    ]
-}
diff --git a/ci/builders/mac_ios_engine_release.json b/ci/builders/mac_ios_engine_release.json
deleted file mode 100644
index 2de1763..0000000
--- a/ci/builders/mac_ios_engine_release.json
+++ /dev/null
@@ -1,138 +0,0 @@
-{
-    "builds": [
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "debug",
-                "--simulator",
-                "--no-lto"
-            ],
-            "name": "ios_debug_sim",
-            "ninja": {
-                "config": "ios_debug_sim",
-                "targets": []
-            },
-            "tests": []
-        },
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "release"
-            ],
-            "name": "ios_release",
-            "ninja": {
-                "config": "ios_release",
-                "targets": [
-                    "flutter/shell/platform/darwin/ios:flutter_framework",
-                    "flutter/lib/snapshot:generate_snapshot_bin"
-                ]
-            },
-            "tests": []
-        },
-        {
-            "archives": [],
-            "drone_dimensions": [
-                "device_type=none",
-                "mac_model=Macmini8,1",
-                "os=Mac-12"
-            ],
-            "generators": {},
-            "gn": [
-                "--ios",
-                "--runtime-mode",
-                "debug",
-                "--simulator",
-                "--simulator-cpu=arm64",
-                "--no-lto"
-            ],
-            "name": "ios_debug_sim_arm64",
-            "ninja": {
-                "config": "ios_debug_sim_arm64",
-                "targets": []
-            },
-            "tests": []
-        }
-    ],
-    "tests": [],
-    "generators": {
-        "tasks": [
-            {
-                "name": "release-FlutterMacOS.framework",
-                "parameters": [
-                    "--dst",
-                    "out/release",
-                    "--arm64-out-dir",
-                    "out/ios_release",
-                    "--simulator-x64-out-dir",
-                    "out/ios_debug_sim",
-                    "--simulator-arm64-out-dir",
-                    "out/ios_debug_sim_arm64",
-                    "--dsym",
-                    "--strip"
-                ],
-                "script": "flutter/sky/tools/create_full_ios_framework.py",
-                "language": "python3"
-            },
-            {
-                "name": "release-nobitcode-FlutterMacOS.framework",
-                "parameters": [
-                    "--dst",
-                    "out/release-nobitcode",
-                    "--arm64-out-dir",
-                    "out/ios_release",
-                    "--simulator-x64-out-dir",
-                    "out/ios_debug_sim",
-                    "--simulator-arm64-out-dir",
-                    "out/ios_debug_sim_arm64",
-                    "--dsym",
-                    "--strip"
-                ],
-                "script": "flutter/sky/tools/create_full_ios_framework.py",
-                "language": "python3"
-            },
-            {
-                "name": "Release-macos-gen-snapshots",
-                "parameters": [
-                    "--dst",
-                    "out/release",
-                    "--arm64-out-dir",
-                    "out/ios_release"
-                ],
-                "script": "flutter/sky/tools/create_macos_gen_snapshots.py",
-                "language": "python3"
-            }
-        ]
-    },
-    "archives": [
-        {
-            "source": "out/release/artifacts.zip",
-            "destination": "ios-release/artifacts.zip"
-        },
-        {
-            "source": "out/release/Flutter.dSYM.zip",
-            "destination": "ios-release/Flutter.dSYM.zip"
-        },
-        {
-            "source": "out/release-nobitcode/artifacts.zip",
-            "destination": "ios-release-nobitcode/artifacts.zip"
-        },
-        {
-            "source": "out/release-nobitcode/Flutter.dSYM.zip",
-            "destination": "ios-release-nobitcode/Flutter.dSYM.zip"
-        }
-    ]
-}