Simplify version check, remove unused check for Ironruby.
Simplify version check, remove unused check for Ironruby.

dg1dd1ngs/haml,stanhu/haml,keithpitty/haml,keithpitty/haml,stanhu/haml,macressler/haml,haml/haml,amatsuda/haml,tangposmarvin/haml,macressler/haml,haml/haml,tangposmarvin/haml,nazar-pc/haml,dg1dd1ngs/haml,haml/haml,haml/haml,nazar-pc/haml,sideci-sample/sideci-sample-haml