public function deleteAction(\PoiCom\PcEventScheduler\Domain\Model\Holiday $holiday)
    {
        if (!$this->div->isLoggedUserInGroup($this->settings['eventAdminGroupId'])) {
            $this->addFlashMessage($this->div->translate('message.noAdmin', $this->extensionName), '', \TYPO3\CMS\Core\Messaging\AbstractMessage::ERROR);
            $this->redirect('list');