Improvements for keyboard navigation in feeds (#35853)

app/javascript/mastodon/features/notifications_v2/components/notification_group.tsx

@@ -24,9 +24,7 @@ import { NotificationUpdate } from './notification_update';
 export const NotificationGroup: React.FC<{
   notificationGroupId: NotificationGroupModel['group_key'];
   unread: boolean;
-  onMoveUp: (groupId: string) => void;
-  onMoveDown: (groupId: string) => void;
-}> = ({ notificationGroupId, unread, onMoveUp, onMoveDown }) => {
+}> = ({ notificationGroupId, unread }) => {
   const notificationGroup = useAppSelector((state) =>
     state.notificationGroups.groups.find(
       (item) => item.type !== 'gap' && item.group_key === notificationGroupId,
@@ -42,14 +40,6 @@ export const NotificationGroup: React.FC<{
 
   const handlers = useMemo(
     () => ({
-      moveUp: () => {
-        onMoveUp(notificationGroupId);
-      },
-
-      moveDown: () => {
-        onMoveDown(notificationGroupId);
-      },
-
       openProfile: () => {
         if (accountId) dispatch(navigateToProfile(accountId));
       },
@@ -58,7 +48,7 @@ export const NotificationGroup: React.FC<{
         if (accountId) dispatch(mentionComposeById(accountId));
       },
     }),
-    [dispatch, notificationGroupId, accountId, onMoveUp, onMoveDown],
+    [dispatch, accountId],
   );
 
   if (!notificationGroup || notificationGroup.type === 'gap') return null;