How to *completely* remove tigervnc server from Ubuntu 22.04?

[Ralf Mardorf]

Hi,

"Removing a package removes all packaged data, but leaves usually small
(modified) user configuration files behind, in case the remove was an
accident. Just issuing an installation request for the accidentally
removed package will restore its function as before in that case. On the
other hand you can get rid of these leftovers by calling
_purge_ even on already removed packages. Note that this does not affect
any data or configuration stored in your home directory."
- https://manpages.ubuntu.com/manpages/jammy/man8/apt.8.html

IOW _purge_ does remove

  /etc/vnc.conf
  /etc/systemd/system/vncserver at .service

and any other file installed by the package, that was edited after
installation, but it doesn't remove

  ~/.vnc/xstartup

or any other related file in $HOME . You need to tidy up $HOME by
yourself. $HOME is always taboo for the package management.

Regards,
Ralf