Omit ios submodule.
Omit ios submodule.

It hasn't built for ages and there's no way anyone is using my old Xamarin hack
to ship a PlayN game these days. We have RoboVM and Xamarin has moved on so far
that I'm not sure the old approach could even be made to work.

threerings/playn,threerings/playn,threerings/playn,threerings/playn