Remove generated directories with 100s of files.

client/html/generated/html/interface/XPathEvaluator.dart

Index: client/html/generated/html/interface/XPathEvaluator.dart
diff --git a/client/html/generated/html/interface/XPathEvaluator.dart b/client/html/generated/html/interface/XPathEvaluator.dart
deleted file mode 100644
index fbe76a91ebc429e716043dc1c74b1e9af3bb496f..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/XPathEvaluator.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2012, 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.
-
-interface XPathEvaluator default _XPathEvaluatorFactoryProvider {
-
-  XPathEvaluator();
-
-  XPathExpression createExpression(String expression, XPathNSResolver resolver);
-
-  XPathNSResolver createNSResolver(Node nodeResolver);
-
-  XPathResult evaluate(String expression, Node contextNode, XPathNSResolver resolver, int type, XPathResult inResult);
-}