Fix TypeScript unused variable errors

src/components/AdminLayout.tsx

@@ -2,7 +2,7 @@ import { Link, Outlet, useNavigate } from 'react-router-dom'
 import { useAuth } from '../context/AuthContext'
 
 export function AdminLayout() {
-  const { user, logout } = useAuth()
+  const { logout } = useAuth()
   const navigate = useNavigate()
 
   async function handleLogout() {