Form submission handler.
array $form: An associative array containing the structure of the form.
array $form_state: An associative array containing the current state of the form.
Overrides FormInterface::submitForm
public function submitForm(array &$form, array &$form_state) {
$this->shortcut
->delete();
$form_state['redirect'] = 'admin/config/user-interface/shortcut';
drupal_set_message(t('The shortcut set %title has been deleted.', array(
'%title' => $this->shortcut
->label(),
)));
}