removed unused variable

Author: iamsharzil

pages/_app.tsx

@@ -12,7 +12,7 @@ import { useStore } from '../lib/redux/redux';
 import 'react-toastify/dist/ReactToastify.css';
 import '../public/styles/nprogress.css';
 
-Router.events.on('routeChangeStart', (url) => {
+Router.events.on('routeChangeStart', () => {
   // console.log(`Loading: ${url}`);
   NProgress.start();
 });