Remove unused user object

   */

  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {

    $main_widget = parent::formElement($items, $delta, $element, $form, $form_state);

    $user = \Drupal::currentUser();

    $element['value'] = $main_widget['value'];

    if (\Drupal::currentUser()->hasPermission('access geocoder autocomplete')) {

      $element['value'] = $element['value'] + array(

        '#size' => $this->getSetting('size'),

        '#autocomplete_route_name' => $this->getSetting('autocomplete_route_name'),