id.h.tmpl: remove unused id

* template/id.h.tmpl (attr_ids): remove Bitblt and Answer which are no
  longer predefined.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

template/id.h.tmpl

@@ -31,8 +31,6 @@ attr_ids = %w[
   Initialize_clone
   Initialize_dup
   UScore
-  Bitblt
-  Answer
 ]
 
 token_op_ids = %w[