Clean up workflows

.github/workflows/sync-upstream.yml

@@ -40,10 +40,21 @@ jobs:
         git switch -c javascript
         git push origin javascript
 
-    - name: Sync upstream changes
+    - name: Pull upstream changes
       run: |
         git remote add upstream https://github.com/shopify/shopify-app-template-remix.git
         git fetch upstream
         git reset --hard upstream/javascript
+
+    - name: Clean any workflows
+      run: |
+        shopt -s extglob
+        cd .github/workflows
+        rm -- !(js-to-docs.yml|sync-upstream.yml)
+        git add .
+        git commit -m "[Actions] Revert any workflow changes due to lack of permissions."
+
+    - name: Push changes
+      run: |
         git push origin javascript --force
         gh pr create --repo Shopify/example-app--payments-app-template--remix --head javascript --title 'Sync javascript with upstream' --body 'This is an automated PR that syncs the repo with its source upstream.' &>/dev/null || true