Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / vendor / chi-teck / drupal-code-generator / templates / d7 / hook / comment_publish.twig

/**
 * Implements hook_comment_publish().
 */
function {{ machine_name }}_comment_publish($comment) {
  drupal_set_message(t('Comment: @subject has been published', array('@subject' => $comment->subject)));
}