Simplify spec as there is no easy way to tell if MJIT support is available
Simplify spec as there is no easy way to tell if MJIT support is available

git-svn-id: ab86ecd26fe50a6a239cacb71380e346f71cee7d@67403 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

nobu/rubyspec,eregon/rubyspec,eregon/rubyspec,ruby/spec,nobu/rubyspec,eregon/rubyspec,nobu/rubyspec,ruby/spec,ruby/spec