Remove generated directories with 100s of files.

client/html/generated/html/interface/AnchorElement.dart

Index: client/html/generated/html/interface/AnchorElement.dart
diff --git a/client/html/generated/html/interface/AnchorElement.dart b/client/html/generated/html/interface/AnchorElement.dart
deleted file mode 100644
index 0e6d8fde8398f577e032f4a04dff8f53a4e4dd6a..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/AnchorElement.dart
+++ /dev/null
@@ -1,50 +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 AnchorElement extends Element {
-
-  String charset;
-
-  String coords;
-
-  String download;
-
-  String hash;
-
-  String host;
-
-  String hostname;
-
-  String href;
-
-  String hreflang;
-
-  String name;
-
-  final String origin;
-
-  String pathname;
-
-  String ping;
-
-  String port;
-
-  String protocol;
-
-  String rel;
-
-  String rev;
-
-  String search;
-
-  String shape;
-
-  String target;
-
-  String type;
-
-  String toString();
-}