Overrides Drupal\Core\Entity\DatabaseStorageController::postDelete().
Overrides DatabaseStorageController::postDelete
protected function postDelete($entities) {
db_delete('users_roles')
->condition('uid', array_keys($entities), 'IN')
->execute();
db_delete('authmap')
->condition('uid', array_keys($entities), 'IN')
->execute();
drupal_container()
->get('user.data')
->delete(NULL, array_keys($entities));
}