Method removeItem

src/material/menu/menu.ts:359–359

* Removes an item from the menu. * @docs-private * @deprecated No longer being used. To be removed. * @breaking-change 9.0.0

(_item: MatMenuItem)

   * @breaking-change 9.0.0
   */
  removeItem(_item: MatMenuItem) {}

  /** Handle a keyboard event from the menu, delegating to the appropriate action. */
  _handleKeydown(event: KeyboardEvent) {