[tlug] Removing CUPS from ubuntu

[Jean-Christian Imbeault <jc.imbeault@example.com>]

I have Ubuntu on my laptop and I'm trying to remove packages that I
don't need in order to get a bit more performance. I figured CUPS
would be a great thing to remove since I never do any printer. However
when I use the package manager to remove CUPS it informs me that
ubuntu-desktop will also be removed. That can't be good ... (OK I know
it's not a good thing because I blindly clicked OK and ended up with
half a system and no GUI. Only cost me my morning fixing but hey, I
learned something about clicking OK buttons :)

Two questions:

1. Why the dependency?
2. How do I remove CUPS without removing ubuntu-desktop
3. Is #2 a safe thing to do?

I did a bit of Googling but

Ok, so that was 3 questions ...

Jc