Remove unused computation of reblog references from updateTimeline (#9244)

app/javascript/mastodon/actions/timelines.js

@@ -16,8 +16,6 @@ export const TIMELINE_DISCONNECT = 'TIMELINE_DISCONNECT';
 
 export function updateTimeline(timeline, status, accept) {
   return (dispatch, getState) => {
-    const references = status.reblog ? getState().get('statuses').filter((item, itemId) => (itemId === status.reblog.id || item.get('reblog') === status.reblog.id)).map((_, itemId) => itemId) : [];
-
     if (typeof accept === 'function' && !accept(status)) {
       return;
     }
@@ -28,7 +26,6 @@ export function updateTimeline(timeline, status, accept) {
       type: TIMELINE_UPDATE,
       timeline,
       status,
-      references,
     });
   };
 };