chore(CI): remove issue_comment trigger (#585)

Author: chenjiahan

.github/workflows/bench-pr.yml

@@ -1,8 +1,9 @@
 name: Benchmark PR
 
-on:
-  issue_comment:
-    types: [created]
+# TODO: switch to workflow_dispatch
+# on:
+#   issue_comment:
+#     types: [created]
 
 # cancel previous job runs for the same workflow + pr
 concurrency:

.github/workflows/release.yml

@@ -17,8 +17,6 @@ on:
         description: 'Release Branch (confirm release branch)'
         required: true
         default: 'main'
-  issue_comment:
-    types: [created]
 
 permissions:
   id-token: write