remove unused import

packages/app/src/pages/_private-legacy-pages.page.tsx

@@ -2,7 +2,6 @@ import {
   NextPage, GetServerSideProps, GetServerSidePropsContext,
 } from 'next';
 import { serverSideTranslations } from 'next-i18next/serverSideTranslations';
-import dynamic from 'next/dynamic';
 import Head from 'next/head';
 
 import { BasicLayout } from '~/components/Layout/BasicLayout';