As per changelog, Tor, starting with 0.4.6, no longer publishes any DirPort:
Removed features (relay):
Because DirPorts are only used on authorities, relays no longer advertise them. Similarly, self-testing for DirPorts has been
disabled, since an unreachable DirPort is no reason for a relay not to
advertise itself. (Configuring a DirPort will still work, ...
In case you have started tor in another shell/job/somewhere on your device and forgot about it, and you simply want to kill all tor processes, (such that you can start your tor service again) you can run:
sudo killall tor
However, it would be better to use the command by PSN and then inspect which service is running on that port and to kill only that ...