chore: revert github action (#5675)

.github/workflows/report_clang_format.yml

@@ -1,30 +0,0 @@
-name: Report clang format
-
-# Runs after the Check clang format workflow (check_clang_format.yml) to
-# post a helpful comment to the PR if the check failed.
-#
-# N.B.: Per https://github.community/t/workflow-runs-not-starting-after-previous-workflow-completes/128345/8
-# only the version of this workflow on the master (default) branch
-# will be run, regardless of what branch is targetted by the PR being
-# checked by check_clang_format.yml.
-#
-# N.B.: Runs with a read-write repo token.  Do not check out the
-# submitted branch!
-on:
-  workflow_run:
-    workflows: ["Check clang format"]
-    types:
-      - completed
-
-jobs:
-  on-failure:
-    runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
-    steps:
-    - uses: actions/github-script@v5
-      with:
-        script: |
-          // Not sure yet how to find out which PR triggered the run, so
-          // dump the whole github.event object to try to find useful
-          // information.
-          console.log('%o', github.event);