Remove everything but markdown from third_party

third_party/pkg/js/lib/src/wrapping/translator.dart

Index: third_party/pkg/js/lib/src/wrapping/translator.dart
diff --git a/third_party/pkg/js/lib/src/wrapping/translator.dart b/third_party/pkg/js/lib/src/wrapping/translator.dart
deleted file mode 100644
index ff4d80e4afdde9c7078e0668b6abd762eb64c217..0000000000000000000000000000000000000000
--- a/third_party/pkg/js/lib/src/wrapping/translator.dart
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-part of js.wrapping;
-
-class Translator<E> {
-  final Mapper<dynamic, E> fromJs;
-  final Mapper<E, dynamic> toJs;
-
-  Translator(this.fromJs, this.toJs);
-}
-
-class TranslatorForSerializable<E extends Serializable>
-    implements Translator<E> {
-  Mapper<dynamic, E> _fromJs;
-  Mapper<E, dynamic> _toJs;
-
-  TranslatorForSerializable(Mapper<dynamic, E> fromJs, {mapOnlyNotNull: true}) {
-    this._fromJs = (o) => mapOnlyNotNull ? mapNotNull(o, fromJs) : fromJs(o);
-    this._toJs = (E s) => s != null ? s.toJs() : null;
-  }
-
-  Mapper<dynamic, E> get fromJs => this._fromJs;
-  void set fromJs(v) => throw "final";
-
-  Mapper<E, dynamic> get toJs => this._toJs;
-  void set toJs(v) => throw "final";
-}