Looking at the pre-remove script and at what the services are it seems that whatever happened on your system somehow removed those services from systemd.
I cannot explain it, perhaps it was a one-off issue during a particular upgrade from one version to another.
Looking at the pre-remove script and at what the services are it seems that whatever happened on your system somehow removed those services from systemd.
I cannot explain it, perhaps it was a one-off issue during a particular upgrade from one version to another.