docs: def remove_core_element(self, model):
          """Remove respective core element of handed global variable name
  
          :param str model: String that is the key/gv_name of core element which should be removed
          :return:
          """
          gv_name = model
          if self.global_variable_is_editable(gv_name, "Deletion"):
              try:
                  self.model.global_variable_manager.delete_variable(gv_name)
              except AttributeError as e:
                  logger.warning("The respective global variable '{1}' couldn't be removed. -> {0}"
                              "".format(e, model))