revert the enforce label logic (#269)

.github/workflows/enforce-labels.yml

@@ -8,17 +8,12 @@ on:
 
 jobs:
   enforce-label:
+    if: ${{ contains(github.event.*.labels.*.name, 'hold') || contains(github.event.*.labels.*.name, 'needs-qa') }}
     name: Enforce label
     runs-on: ubuntu-22.04
-
     steps:
       - name: Check for label
-        env:
-          LABEL_HOLD: ${{ contains(github.event.*.labels.*.name, 'hold') }}
-          LABEL_NEEDS_QA: ${{ contains(github.event.*.labels.*.name, 'needs-qa') }}
         run: |
-          if [[ "$LABEL_HOLD" = "true" ]] || [[ "$LABEL_NEEDS_QA" = "true" ]]; then
-            echo "PRs with the hold or needs-qa labels cannot be merged"
-            echo "### :x: PRs with the hold or needs-qa labels cannot be merged" >> $GITHUB_STEP_SUMMARY
-            exit 1
-          fi
+          echo "PRs with the hold or needs-qa labels cannot be merged"
+          echo "### :x: PRs with the hold or needs-qa labels cannot be merged" >> $GITHUB_STEP_SUMMARY
+          exit 1