remove unused variable class

lib/typed/parfait/variable.rb

@@ -1,19 +0,0 @@
-module Parfait
-  class Variable < Object
-
-    def initialize type , name , value = nil
-      raise "not type #{type}(#{type.class})" unless Register.machine.space.get_class_by_name(type)
-      self.value_type , self.name , self.value = type , name , value
-      self.value = 0 if self.value_type == :Integer and value == nil
-      raise "must give name for variable" unless name
-    end
-    attributes [:value_type , :name, :value]
-
-    def to_s
-      "Variable(#{self.value_type} ,#{self.name})"
-    end
-    def inspect
-      to_s
-    end
-  end
-end