move parfait into register

register layer uses parfait models to generate object space
so parfait  should be part of register (not above it)

lib/parfait/binary_code.rb

@@ -1,17 +0,0 @@
-# A method object is a description of the method, it's name etc
-#
-# But the code that the method represents, the binary, is held as an array
-# in one of these.
-#
-
-module Parfait
-  # obviously not a "Word" but a ByteArray , but no such class yet
-  # As on the other hand has no encoding (yet) it is close enough
-  class BinaryCode < Word
-
-    def to_s
-      "BinaryCode #{self.char_length}"
-    end
-
-  end
-end