Update .github/workflows/markdown-normalize.yml

Author: Gummibeer

.github/workflows/markdown-normalize.yml

@@ -7,7 +7,6 @@ on:
 
 jobs:
   normalize:
-    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-latest
     steps:
       - name: Git checkout