Revert "triage: CI-syntax-only for no_autobump-only"

This reverts commit ec1803b.

Author: GunniBusch

.github/workflows/triage.yml

@@ -190,10 +190,6 @@ jobs:
               path: Formula/.+
               content: 'no_autobump! because: :requires_manual_review'
 
-            - label: CI-syntax-only
-              path: Formula/.+
-              patch_content: '^(?:[+-]  no_autobump! because: [^\n]+(?:\n|$))+$'
-
             - label: boost
               path: Formula/.+
               content: depends_on "boost(@[0-9.]+)?"