Update auto-update.yml

.github/workflows/auto-update.yml

@@ -385,10 +385,6 @@ jobs:
         with:
           app_id: ${{ secrets.APP_ID }}
           private_key: ${{ secrets.APP_PRIVATE_KEY }}
-      - name: Fetch Origin
-        run: git fetch origin
-      - name: Update from master
-        run: git merge origin/master
       - name: Create Pull Request
         id: pr
         uses: peter-evans/create-pull-request@v3