refactor(FE): Remove unused imports and redundant code

src/app/page.tsx

@@ -3,10 +3,9 @@
 import { useEffect } from 'react';
 import { usePathname, useRouter } from 'next/navigation';
 import { useAuth } from '@/services/hooks/useAuth';
-import { redirectToSSO } from '@/lib/auth-helper';
 
 export default function Home() {
-  const { user, isLoadingUser } = useAuth();
+  const { isLoadingUser } = useAuth();
 
   const router = useRouter();
   const pathname = usePathname();