def delete_objective(self, objective_id=None):
if objective_id is None:<EOL><INDENT>raise NullArgument()<EOL><DEDENT>if not isinstance(objective_id, abc_id):<EOL><INDENT>raise InvalidArgument('<STR_LIT>')<EOL><DEDENT>url_path = construct_url('<STR_LIT>',<EOL>bank_id=self._catalog_idstr,<EOL>obj_id=objective_id)<EOL>result = self._delete_request(url_path)<EOL>return objects.Objective(result)<EOL>
Deletes the Objective identified by the given Id.

        arg:    objectiveId (osid.id.Id): the Id of the Objective to
                delete
        raise:  NotFound - an Objective was not found identified by the
                given Id
        raise:  NullArgument - objectiveId is null
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        compliance: mandatory - This method must be implemented.