Fix TypeScript build error - remove unused parameter

Remove unused 'registration' parameter from onSuccess callback to fix production build type checking.

Build tested locally and passes successfully.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

components/RootLayoutClient.tsx

@@ -20,7 +20,7 @@ export function RootLayoutClient({ children }: { children: React.ReactNode }) {
         console.log('New version available!');
         setUpdateAvailable(registration);
       },
-      onSuccess: (registration) => {
+      onSuccess: () => {
         console.log('Service worker registered successfully');
       }
     });