docs: def clear_coordinate_conditions(self):
          """stub"""
          if (self.get_zone_conditions_metadata().is_read_only() or
                  self.get_zone_conditions_metadata().is_required()):
              raise NoAccess()
          self.my_osid_object_form._my_map['coordinateConditions'] = \
              self._coordinate_conditions_metadata['default_object_values'][0]