purge logs

frontend/src/App.tsx

@@ -5,7 +5,7 @@ import About from './About';
 import PageNotFound from './PageNotFound';
 import { inject } from '@vercel/analytics';
 import { useMediaQuery } from './hooks';
-import { useState,useEffect } from 'react';
+import { useState} from 'react';
 import Setting from './Setting';
 
 inject();
@@ -32,4 +32,4 @@ export default function App() {
       </div>
     </div>
   );
-}
+}