Fixed Lintingg of Navbar component and removed unused imports

src/components/Navbar.tsx

@@ -2,7 +2,7 @@
 
 import { motion, AnimatePresence } from 'framer-motion';
 import { useSession } from 'next-auth/react';
-import { usePathname, useRouter } from 'next/navigation';
+import { usePathname } from 'next/navigation';
 import React, { useState, useCallback, useMemo, useEffect } from 'react';
 import Link from 'next/link';
 import { ArrowLeft, Menu, Search, X } from 'lucide-react';
@@ -17,7 +17,6 @@ const scrollPositions = new Map<string, number>();
 
 export const Navbar = () => {
   const { data: session } = useSession();
-  const router = useRouter();
   const [isMenuOpen, setIsMenuOpen] = useState(false);
   const [isSearchOpen, setIsSearchOpen] = useState(false);
   const pathname = usePathname();