Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_SVGPathSegWrappingImplementation.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 _SVGPathSegWrappingImplementation extends DOMWrapperBase implements SVGPathSeg {
-  _SVGPathSegWrappingImplementation() : super() {}
-
-  static create__SVGPathSegWrappingImplementation() native {
-    return new _SVGPathSegWrappingImplementation();
-  }
-
-  int get pathSegType() { return _get_pathSegType(this); }
-  static int _get_pathSegType(var _this) native;
-
-  String get pathSegTypeAsLetter() { return _get_pathSegTypeAsLetter(this); }
-  static String _get_pathSegTypeAsLetter(var _this) native;
-
-  String get typeName() { return "SVGPathSeg"; }
-}