code: def __remove_dashboard_menu(self, kibiter_major):
          
          logger.info("Removing old dashboard menu, if any")
          if kibiter_major == "6":
              metadashboard = ".kibana/doc/metadashboard"
          else:
              metadashboard = ".kibana/metadashboard/main"
          menu_url = urijoin(self.conf['es_enrichment']['url'], metadashboard)
          self.grimoire_con.delete(menu_url)
docs: Remove existing menu for dashboard, if any.
  
          Usually, we remove the menu before creating a new one.
  
          :param kibiter_major: major version of kibiter