chore: remove merge conflicts workflow (#12173)

.github/workflows/merge-conflict.yml

@@ -1,18 +0,0 @@
-name: Auto Comment Merge Conflicts
-on: push
-
-permissions:
-  pull-requests: write
-
-jobs:
-  auto-comment-merge-conflicts:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: codytseng/auto-comment-merge-conflicts@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          comment-body: "Hey there, there is a merge conflict, can you take a look?"
-          wait-ms: 3000
-          max-retries: 5
-          label-name: "🚨 merge conflict"
-          ignore-authors: dependabot,otherAuthor