ConfigHandler::remove

public ConfigHandler::remove(&$form, FormStateInterface $form_state)

public function remove(&$form, FormStateInterface $form_state) {
  $view = $form_state->get('view');
  $display_id = $form_state->get('display_id');
  $type = $form_state->get('type');
  $id = $form_state->get('id');
  // Store the item back on the view
  list($was_defaulted, $is_defaulted) = $view->getOverrideValues($form, $form_state);
  $executable = $view->getExecutable();
  // If the display selection was changed toggle the override value.
  if ($was_defaulted != $is_defaulted) {
    $display = &$executable->displayHandlers->get($display_id);
    $display->optionsOverride($form, $form_state);
  }
  $executable->removeHandler($display_id, $type, $id);

  // Write to cache
  $view->cacheSet();
}