Removed unused UnitsWaiting() function from State class.

This function was added at 307f0bbd("and some basic implementation"), but nobody
calls it anymore.

Signed-off-by: Thiago Farina <tfarina@chromium.org>
Browse command does not parse URL correctly
Merge pull request #502 from tfarina/rm-unused-fun

Removed unused UnitsWaiting() function from State class.
Merge pull request #507 from ikarienator/master

Browse command does not parse URL correctly