Method cleanup_

src/service/loading-indicator.js:140–148

* @param {!AmpElement} element * @private

(element)

   * @private
   */
  cleanup_(element) {
    const state = this.states_.get(element);
    if (!state) {
      return;
    }

    this.states_.delete(element);
    removeElement(state.container);
  }
}