Hooks::groupDeleting( $groupId )

	public function groupDeleting($groupId)
	{
		global $wpdb;

		$post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $groupId));

		if ($post->post_type != 'groups') {
			return false;
		}

		do_action('bp_ld_sync/learndash_group_deleting', $groupId);
		add_action('delete_post', [$this, 'groupDeleted']);
	}