remove the entity from the Ariane server
        :return:

def remove(self):
        """
        remove the entity from the Ariane server
        :return:
        """
        LOGGER.debug("InjectorUITreeEntity.remove")
        if self.id and InjectorUITreeService.find_ui_tree_entity(self.id) is not None:
            args = {'properties': {'OPERATION': 'UNREGISTER', 'TREE_MENU_ENTITY_ID': self.id}}
            result = InjectorUITreeService.requester.call(args).get()
            if result.rc != 0:
                err_msg = 'InjectorUITreeEntity.remove - Problem while saving injector UI Tree Menu Entity (id:' + \
                          self.id + '). ' + \
                          'Reason: ' + str(result.response_content) + '-' + str(result.error_message) + \
                          " (" + str(result.rc) + ")"
                LOGGER.warning(err_msg)
        else:
            err_msg = 'InjectorUITreeEntity.remove - Problem while removing injector UI Tree Menu Entity (id:' + \
                      self.id + '). ' + \
                      'Reason: id is null or injector UI Tree Menu Entity not found'
            LOGGER.warning(err_msg)