<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove_highlighter(self):
 """ Removes current highlighter. :return: Method success. :rtype: bool """


        if self.__highlighter:
            LOGGER.debug("> Removing '{0}' highlighter.".format(self.__highlighter))
            self.__highlighter.deleteLater()
            self.__highlighter = None
        return True