Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_XPathEvaluatorWrappingImplementation.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 _XPathEvaluatorWrappingImplementation extends DOMWrapperBase implements XPathEvaluator {
-  _XPathEvaluatorWrappingImplementation() : super() {}
-
-  static create__XPathEvaluatorWrappingImplementation() native {
-    return new _XPathEvaluatorWrappingImplementation();
-  }
-
-  XPathExpression createExpression(String expression, XPathNSResolver resolver) {
-    return _createExpression(this, expression, resolver);
-  }
-  static XPathExpression _createExpression(receiver, expression, resolver) native;
-
-  XPathNSResolver createNSResolver(Node nodeResolver) {
-    return _createNSResolver(this, nodeResolver);
-  }
-  static XPathNSResolver _createNSResolver(receiver, nodeResolver) native;
-
-  XPathResult evaluate(String expression, Node contextNode, XPathNSResolver resolver, int type, XPathResult inResult) {
-    return _evaluate(this, expression, contextNode, resolver, type, inResult);
-  }
-  static XPathResult _evaluate(receiver, expression, contextNode, resolver, type, inResult) native;
-
-  String get typeName() { return "XPathEvaluator"; }
-}