Channel.GetDeleted to sync by default (#11205)

app/channel.go

@@ -1257,11 +1257,7 @@ func (a *App) GetAllChannels(page, perPage int, opts model.ChannelSearchOpts) (*
 }
 
 func (a *App) GetDeletedChannels(teamId string, offset int, limit int) (*model.ChannelList, *model.AppError) {
-	result := <-a.Srv.Store.Channel().GetDeleted(teamId, offset, limit)
-	if result.Err != nil {
-		return nil, result.Err
-	}
-	return result.Data.(*model.ChannelList), nil
+	return a.Srv.Store.Channel().GetDeleted(teamId, offset, limit)
 }
 
 func (a *App) GetChannelsUserNotIn(teamId string, userId string, offset int, limit int) (*model.ChannelList, *model.AppError) {