code: def delete_share(self, group_id, resource_id):
          
          response = self._perform_request(
              url='/um/groups/%s/shares/%s' % (group_id, resource_id),
              method='DELETE')
  
          return response
docs: Removes a resource share from a group.
  
          :param      group_id: The unique ID of the group.
          :type       group_id: ``str``
  
          :param      resource_id: The unique ID of the resource.
          :type       resource_id: ``str``