remove git fetch

Author: renefloor

.github/workflows/app-distribute.yml

@@ -42,7 +42,6 @@ jobs:
         run: |
           git config --global user.email "$(git log --format='%ae' HEAD^!)"
           git config --global user.name "$(git log --format='%an' HEAD^!)"
-          git fetch origin gh-pages:gh-pages
 
       - name: Setup Flutter
         uses: subosito/flutter-action@v2