public function actionDeleteMeta()
{
$this->requirePostRequest();
$metaId = craft()->request->getRequiredPost('metaId');
if (craft()->elements->deleteElementById($metaId)) {
craft()->userSession->setNotice(Craft::t('SEOmatic Meta deleted.'));
$this->redirectToPostedUrl();
} else {
craft()->userSession->setError(Craft::t('Couldn’t delete SEOmatic Meta.'));
}
}