ci: delete commit once fixed

.github/workflows/ci.yml

@@ -25,12 +25,31 @@ jobs:
           issue-number: ${{ github.event.pull_request.number }}
           body: |
             Thanks for your contribution :heart:
-            Unforunately, this PR has a **bad commit message**, please refer to:
+            :broken_heart: Unforunately, this PR has one ore more **bad commit messages**, it can not be merged. To fix this problem, please refer to:
             - [Commit Message Guideline for the First Time Contributor](https://github.com/jina-ai/jina/issues/553)
             - [Contributing Guideline](https://github.com/jina-ai/jina/blob/master/CONTRIBUTING.md)
 
-            Further CI tests are *cancelled* until the commit message gets fixed.
+            Note, other CI tests will *not* *start* until the commit messages get fixed.
           reaction-type: "eyes"
+      - name: if lint success then delete prev warning if exist
+        if: ${{ success() }}
+        uses: peter-evans/find-comment@v1
+        id: fc
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-author: 'github-actions[bot]'
+          body-includes: '**bad commit messages**'
+      - name: Delete comment if exist
+        if: ${{ steps.fc.outputs.comment-id != 0 }}
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{ secrets.PAT }}
+          script: |
+            github.issues.deleteComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              comment_id: ${{ steps.fc.outputs.comment-id }},
+            })
 
   unit-test:
     needs: commit-lint