code: def delete_permissions(self, grp_name, resource):
          
          self.service.delete_permissions(
              grp_name, resource, self.url_prefix, self.auth, self.session, self.session_send_opts)
docs: Removes permissions from the group for the given resource.
  
          Args:
              grp_name (string): Name of group.
              resource (intern.resource.boss.BossResource): Identifies which data model object to operate on.
  
          Raises:
              requests.HTTPError on failure.