Bug#996691: cogl: upstream project discontinued, should be removed

[Simon McVittie]

Control: retitle -1 cogl: upstream project discontinued, should be removed
Control: block -1 by 996690

On Sun, 17 Oct 2021 at 13:48:11 +0100, Simon McVittie wrote:
> The upstream README says:
> 
> > Clutter is in deep maintenance mode; only micro releases addressing
> > bug fixes are planned from now on. Additionally, the API and features
> > are frozen.

Cogl has now been moved to https://gitlab.gnome.org/Archive/cogl and
archived. No new bugs can be reported, no new commits can be pushed, and
no new releases will be made.

    smcv