def del_host_comment(self, comment_id):
        """Delete a host comment
        Format of the line that triggers function call::

        DEL_HOST_COMMENT;<comment_id>

        :param comment_id: comment id to delete
        :type comment_id: int
        :return: None
        """
        for item in self.daemon.hosts:
            if comment_id in item.comments:
                item.del_comment(comment_id)
                self.send_an_element(item.get_update_status_brok())
                break
        else:
            self.send_an_element(make_monitoring_log(
                'warning', 'DEL_HOST_COMMENT: comment id: %s does not exist '
                           'and cannot be deleted.' % comment_id))
Delete a host comment
        Format of the line that triggers function call::

        DEL_HOST_COMMENT;<comment_id>

        :param comment_id: comment id to delete
        :type comment_id: int
        :return: None