ActionDeleteForm.php

<?php

namespace Drupal\action\Form;

use Drupal\Core\Entity\EntityDeleteForm;
use Drupal\Core\Url;

/**
 * Builds a form to delete an action.
 */
class ActionDeleteForm extends EntityDeleteForm {

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.action.collection');
  }

}