Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_SVGPreserveAspectRatioWrappingImplementation.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 _SVGPreserveAspectRatioWrappingImplementation extends DOMWrapperBase implements SVGPreserveAspectRatio {
-  _SVGPreserveAspectRatioWrappingImplementation() : super() {}
-
-  static create__SVGPreserveAspectRatioWrappingImplementation() native {
-    return new _SVGPreserveAspectRatioWrappingImplementation();
-  }
-
-  int get align() { return _get_align(this); }
-  static int _get_align(var _this) native;
-
-  void set align(int value) { _set_align(this, value); }
-  static void _set_align(var _this, int value) native;
-
-  int get meetOrSlice() { return _get_meetOrSlice(this); }
-  static int _get_meetOrSlice(var _this) native;
-
-  void set meetOrSlice(int value) { _set_meetOrSlice(this, value); }
-  static void _set_meetOrSlice(var _this, int value) native;
-
-  String get typeName() { return "SVGPreserveAspectRatio"; }
-}