Remove banon from experimental

BUG=None
TEST=None

Change-Id: I06e5b429bb75ee8ecae3c2178e3eb5a7853ce0fc
Reviewed-on: https://chromium-review.googlesource.com/341466
Commit-Ready: Trevor Tsang <ttsang@google.com>
Tested-by: Trevor Tsang <ttsang@google.com>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
diff --git a/cbuildbot/chromeos_config.py b/cbuildbot/chromeos_config.py
index 641e0a8..e6b155c 100644
--- a/cbuildbot/chromeos_config.py
+++ b/cbuildbot/chromeos_config.py
@@ -630,7 +630,6 @@
         'gru-release-group',
         'oak-release-group',
         'storm-release-group',
-        'strago-c-release-group',
         'strago-d-release-group',
         'veyron-c-release-group',
         'veyron-d-release-group',
@@ -2909,7 +2908,6 @@
           'umaro',
           'banon',
       ),
-      important=False,
   )
 
   _AddGroupConfig(
diff --git a/cbuildbot/config_dump.json b/cbuildbot/config_dump.json
index 0885f28..af50bca 100644
--- a/cbuildbot/config_dump.json
+++ b/cbuildbot/config_dump.json
@@ -20915,7 +20915,8 @@
                 "vm_tests": []
             }
         ],
-        "description": "Release Builds (canary) (internal); Group config (boards: edgar, setzer, umaro, banon)"
+        "description": "Release Builds (canary) (internal); Group config (boards: edgar, setzer, umaro, banon)",
+        "important": true
     },
     "strago-chrome-pfq": {
         "_template": "chrome-pfq",