vhf/free-programming-books — pull request #446 by eellson (2013-12-01 14:44:20+00:00)
Title: remove broken macruby link

The MacRuby book is no longer hosted where it used to be, and as far as I can tell is no longer available for free online.

I'm unsure what the convention is for dead links here, but this change simply removes the link.