/**
  * @param $form
  * @param $form_state
  */
 public function submitMigrateCleanupForm($form, FormStateInterface &$form_state)
 {
     $migration = $this->config('acquia_connector.settings')->get('cloud_migration');
     $migration_class = new Migration();
     $migration_class->cleanup($migration);
     drupal_set_message($this->t('Temporary files removed'));
     $form_state->setRedirect('acquia_connector.settings');
 }