code: function(staleItemViewInfo) {
        var view = this;
        staleItemViewInfo = staleItemViewInfo || this.__getStaleItemViews();
        _.each(staleItemViewInfo, function(staleViewInfo) {
          _removeItemView.call(view, staleViewInfo.view, staleViewInfo.modelId);
        });
      }
docs: Removes the item views that no longer have models returned by modelsToRender()
  @method __removeStaleItemViews
  @param [staleItemViewInfo] {Array of objects:
  [{
  view: stale item view,
  modelId: id of model item
  }]} If provided, stale items will not be found, but this array will be used instead.
  @private