20th February 2017, 11:22
Yes, that's true, it wasn't removed during the HWE installation, nor broken afterwards, I just saw the message in the dpkg log, so thought it might be interesting... Anyway, all is OK and you probably don't have to do anything with the maui-desktop. Just that if someone does it via Synaptic, it will flush all Maui related packages into autoremovable section, so one needs to be cautious not to remove them afterwards, but to restart Synaptic.