Remove generated directories with 100s of files.

client/html/generated/html/interface/Storage.dart

Index: client/html/generated/html/interface/Storage.dart
diff --git a/client/html/generated/html/interface/Storage.dart b/client/html/generated/html/interface/Storage.dart
deleted file mode 100644
index 0e0603ecb9be57a11d4e424c55e573c7ba9f61ae..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/Storage.dart
+++ /dev/null
@@ -1,20 +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 Storage {
-
-  final int length;
-
-  void clear();
-
-  String getItem(String key);
-
-  String key(int index);
-
-  void removeItem(String key);
-
-  void setItem(String key, String data);
-}