* vm.c (ruby_vm_destruct): remove useless call of
  rb_gc_force_recycle().
  At this line, a VM object is already freed
  (is changed to T_NONE) by rb_gc_call_finalizer_at_exit().



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46314 b2dd03c8-39d4-4d8f-98ff-823fe69b080e