[3dprinter-general] cura is marked for autoremoval from testing

[Christoph Berg]

Re: Gregor Riepl
> But why did we get a transitive RC violation?
> Cura doesn't even depend on flask-login, not even through its dependency
> chain????

Good question, I have no idea, but poking #debian-devel got us the
answer:

25 16:44 <wRAR> sentry-python B-D: python3-flask-login
25 16:44 <wRAR> cura D:  python3-sentry-sdk

Christoph