Since you created the instance using 'tor-instance-create', here’s an extract
from its manpage:
There currently is no tor-instance-remove script. To remove an instance, delete
the user and its homedirectory once you are convinced there are no files or
processes on your system still owned by that
I ran into a problem with instances. On some of my servers I noticed that the
performance decreased when running a node for each CPU (more than 2 virtual
CPUs on those systems). So I disabled the newest node on those systems with
"systemctl disable tor@instancename.default" without getting a out
