kaudiocreator to unmaintained

[Jonathan Riddell]

On Thu, Jun 20, 2019 at 08:25:22AM +0200, Kevin Ottens wrote:
> Since I'd rather we have one project with a team size > 1 that two with a team 
> size of 1, I'll retract my previous offer of reviving kaudiocreator and turn 
> my attention to audex instead. Hopefully we can get it out of playground and 
> into KDE Applications.

I've moved kaudiocreator to unmainatained.

Translators please do the necessary with translations.

Jonathan