Simplify #8600

.github/workflows/prod-test.yml

@@ -49,12 +49,7 @@ jobs:
       # It should be the last step
       # The cache step might saving the result of master branch, need investigate
       - name: Check Sizes
-        if: >-
-          github.event_name == 'pull_request' &&
-          (
-            startsWith(github.head_ref, 'dependabot/npm_and_yarn/') ||
-            contains(github.event.comment.body, '/size')
-          )
+        if: github.event_name == 'pull_request' && startsWith(github.head_ref, 'dependabot/npm_and_yarn/')
         uses: preactjs/compressed-size-action@v2.0.1
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"