Remove generated directories with 100s of files.

client/html/generated/html/interface/XSLTProcessor.dart

Index: client/html/generated/html/interface/XSLTProcessor.dart
diff --git a/client/html/generated/html/interface/XSLTProcessor.dart b/client/html/generated/html/interface/XSLTProcessor.dart
deleted file mode 100644
index 88d43092d2cb865c3b3f5afde7e6b0e73a874d1b..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/XSLTProcessor.dart
+++ /dev/null
@@ -1,26 +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 XSLTProcessor default _XSLTProcessorFactoryProvider {
-
-  XSLTProcessor();
-
-  void clearParameters();
-
-  String getParameter(String namespaceURI, String localName);
-
-  void importStylesheet(Node stylesheet);
-
-  void removeParameter(String namespaceURI, String localName);
-
-  void reset();
-
-  void setParameter(String namespaceURI, String localName, String value);
-
-  Document transformToDocument(Node source);
-
-  DocumentFragment transformToFragment(Node source, Document docVal);
-}