code: func (s *Stack) RemoveTCPProbe() {
  	s.mu.Lock()
  	s.tcpProbeFunc = nil
  	s.mu.Unlock()
  }
docs: // RemoveTCPProbe removes an installed TCP probe.
  //
  // NOTE: This only ensures that endpoints created after this call do not
  // have a probe attached. Endpoints already created will continue to invoke
  // TCP probe.