They were abolished for the SA side, but for an actual African Continental side, I'd say they'd push for it. Also, as I recall, and correct me if I'm wrong; Duminy, Philander and Amla fall into the 'coloured' category, and a 'black player' would be someone like Tsotsobe.
https://www.facebook.com/KCricketMemes?ref=ts&fref=ts Aware that they don't all originate from there ftr. A funny one comes along once in a while so it's worth scrolling past the lame bullshit. This one's pretty good