Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_AudioProcessingEventWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_AudioProcessingEventWrappingImplementation.dart b/client/dom/generated/src/wrapping/_AudioProcessingEventWrappingImplementation.dart
deleted file mode 100644
index ee0f4ae9265167c2d0d155e7a999b9f555390960..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_AudioProcessingEventWrappingImplementation.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 _AudioProcessingEventWrappingImplementation extends _EventWrappingImplementation implements AudioProcessingEvent {
-  _AudioProcessingEventWrappingImplementation() : super() {}
-
-  static create__AudioProcessingEventWrappingImplementation() native {
-    return new _AudioProcessingEventWrappingImplementation();
-  }
-
-  AudioBuffer get inputBuffer() { return _get_inputBuffer(this); }
-  static AudioBuffer _get_inputBuffer(var _this) native;
-
-  AudioBuffer get outputBuffer() { return _get_outputBuffer(this); }
-  static AudioBuffer _get_outputBuffer(var _this) native;
-
-  String get typeName() { return "AudioProcessingEvent"; }
-}