Remove invalid administration permission from Pages workflow.

Keep auto-enablement via configure-pages enablement flag.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: kaiwen-wang

.github/workflows/pages.yml

@@ -12,7 +12,6 @@ permissions:
   contents: read
   pages: write
   id-token: write
-  administration: write
 
 concurrency:
   group: pages