/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
drupal_set_message($this->t('The static context %label has been removed.', ['%label' => $this->pageVariant->getStaticContext($this->staticContext)['label']]));
$this->pageVariant->removeStaticContext($this->staticContext);
$this->pageVariant->save();
$form_state->setRedirectUrl($this->getCancelUrl());
}
