Ruby

vm_eval.c: remove dead code

• vm_eval.c (vm_call_super): since cfp->klass is always class or
  iclass, no search from method entry.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e