message: Clean up legacy breadcrumbs persistence fallback
  It's been more than a few weeks.
diff: @@ -43,18 +43,6 @@ export default class RoomBreadcrumbs extends React.Component {
  this._dispatcherRef = dis.register(this.onAction);
  let storedRooms = SettingsStore.getValue("breadcrumb_rooms");
  - if (!storedRooms || !storedRooms.length) {
  - // Fallback to the rooms stored in localstorage for those who would have had this.
  - // TODO: Remove this after a bit - the feature was only on develop, so a few weeks should be plenty time.
  - const roomStr = localStorage.getItem("mx_breadcrumb_rooms");
  - if (roomStr) {
  - try {
  - storedRooms = JSON.parse(roomStr);
  - } catch (e) {
  - console.error("Failed to parse breadcrumbs:", e);
  - }
  - }
  - }
  this._loadRoomIds(storedRooms || []);
  this._settingWatchRef = SettingsStore.watchSetting("breadcrumb_rooms", null, this.onBreadcrumbsChanged);
  