def remove_timeout(self, timeout):
        raise NotImplementedError()
Infers user name and subject urn from self.urn.
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/ioloop.py/IOLoop.remove_timeout--crossover with--dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/security.py/ApprovalWithApproversAndReason.InferUserAndSubjectFromUrn