remove instance_get instruction

lib/virtual/passes/get_implementation.rb

@@ -1,16 +0,0 @@
-module Virtual
-  # This implements instance variable get (not the opposite of Set,
-  #   such a thing does not exists, their slots)
-
-  # Ivar get needs to acces the layout, find the index of the name,
-  #  and shuffle the data to return register
-  # In short it's so complicated we implement it in ruby and stick the implementation here
-  class GetImplementation
-    def run block
-      block.codes.dup.each do |code|
-        next unless code.is_a? Virtual::InstanceGet
-        raise "Start coding"
-      end
-    end
-  end
-end