Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_MediaQueryListListenerWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_MediaQueryListListenerWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_MediaQueryListListenerWrappingImplementation.dart b/client/dom/generated/src/wrapping/_MediaQueryListListenerWrappingImplementation.dart
deleted file mode 100644
index 7fb7e47eb8c8394873288ae15ebecdb9a8f3f47c..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_MediaQueryListListenerWrappingImplementation.dart
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) 2011, 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.
-
-// WARNING: Do not edit - generated code.
-
-class _MediaQueryListListenerWrappingImplementation extends DOMWrapperBase implements MediaQueryListListener {
-  _MediaQueryListListenerWrappingImplementation() : super() {}
-
-  static create__MediaQueryListListenerWrappingImplementation() native {
-    return new _MediaQueryListListenerWrappingImplementation();
-  }
-
-  void queryChanged(MediaQueryList list) {
-    _queryChanged(this, list);
-    return;
-  }
-  static void _queryChanged(receiver, list) native;
-
-  String get typeName() { return "MediaQueryListListener"; }
-}