feat: implement membership confirmation flow and update related functionalities

app/auth/update-account/success/page.tsx

@@ -1,17 +0,0 @@
-import { getSupabaseServerClient } from '@/packages/supabase/src/clients/server-client';
-
-import { UpdateAccountSuccessNotification } from '@kit/notifications/components';
-
-import { withI18n } from '~/lib/i18n/with-i18n';
-
-async function UpdateAccountSuccess() {
-  const client = getSupabaseServerClient();
-
-  const {
-    data: { user },
-  } = await client.auth.getUser();
-
-  return <UpdateAccountSuccessNotification userId={user?.id} />;
-}
-
-export default withI18n(UpdateAccountSuccess);