Remove generated directories with 100s of files.

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

-// 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 _DynamicsCompressorNodeWrappingImplementation extends _AudioNodeWrappingImplementation implements DynamicsCompressorNode {
-  _DynamicsCompressorNodeWrappingImplementation() : super() {}
-
-  static create__DynamicsCompressorNodeWrappingImplementation() native {
-    return new _DynamicsCompressorNodeWrappingImplementation();
-  }
-
-  AudioParam get knee() { return _get_knee(this); }
-  static AudioParam _get_knee(var _this) native;
-
-  AudioParam get ratio() { return _get_ratio(this); }
-  static AudioParam _get_ratio(var _this) native;
-
-  AudioParam get reduction() { return _get_reduction(this); }
-  static AudioParam _get_reduction(var _this) native;
-
-  AudioParam get threshold() { return _get_threshold(this); }
-  static AudioParam _get_threshold(var _this) native;
-
-  String get typeName() { return "DynamicsCompressorNode"; }
-}