fix: remove stray brace in admin.js that broke IIFE scope

Extra } after auditLog helpers was closing the outer async IIFE early,
causing phpManager() and all subsequent functions to parse outside the
IIFE — resulting in "Unexpected token async" crash and a blank panel.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

panel/public/assets/js/admin.js

@@ -454,7 +454,6 @@
     });
   };
   window.alGoPage = (p) => auditLog({ ...(window._alOpts || {}), page: p });
-  }
 
   // ── PHP Manager ────────────────────────────────────────────────────────────
   async function phpManager() {