Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
deleted file mode 100644
index 76e71ac5888e0b7a61ad6f108fac001a38a6134f..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DelayNodeWrappingImplementation.dart
+++ /dev/null
@@ -1,18 +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 _DelayNodeWrappingImplementation extends _AudioNodeWrappingImplementation implements DelayNode {
-  _DelayNodeWrappingImplementation() : super() {}
-
-  static create__DelayNodeWrappingImplementation() native {
-    return new _DelayNodeWrappingImplementation();
-  }
-
-  AudioParam get delayTime() { return _get_delayTime(this); }
-  static AudioParam _get_delayTime(var _this) native;
-
-  String get typeName() { return "DelayNode"; }
-}