deprecating ruby package

to be replaced by vool and mom

lib/rubyx.rb

@@ -1,3 +1,4 @@
+require "parser/ruby22"
 require "logging"
 require "elf/object_writer"
 require "ast"
@@ -13,6 +14,5 @@ require "risc"
 require "risc/builtin/space"
 require "arm/arm_machine"
 require "arm/translator"
-require "rubyx/ruby_compiler"
 require "vool"
 require "mom"