Remove generated directories with 100s of files.

client/html/generated/html/interface/ObjectElement.dart

Index: client/html/generated/html/interface/ObjectElement.dart
diff --git a/client/html/generated/html/interface/ObjectElement.dart b/client/html/generated/html/interface/ObjectElement.dart
deleted file mode 100644
index 108d34b5e53f2f4826cab7a33cadab3a1589b387..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/ObjectElement.dart
+++ /dev/null
@@ -1,54 +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 ObjectElement extends Element {
-
-  String align;
-
-  String archive;
-
-  String border;
-
-  String code;
-
-  String codeBase;
-
-  String codeType;
-
-  final Document contentDocument;
-
-  String data;
-
-  bool declare;
-
-  final FormElement form;
-
-  String height;
-
-  int hspace;
-
-  String name;
-
-  String standby;
-
-  String type;
-
-  String useMap;
-
-  final String validationMessage;
-
-  final ValidityState validity;
-
-  int vspace;
-
-  String width;
-
-  final bool willValidate;
-
-  bool checkValidity();
-
-  void setCustomValidity(String error);
-}