Remove generated directories with 100s of files.

client/html/generated/html/interface/IDBFactory.dart

Index: client/html/generated/html/interface/IDBFactory.dart
diff --git a/client/html/generated/html/interface/IDBFactory.dart b/client/html/generated/html/interface/IDBFactory.dart
deleted file mode 100644
index 172fff23f1e5cc0acf95e164c1018af5a50cfda0..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/IDBFactory.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 IDBFactory {
-
-  int cmp(IDBKey first, IDBKey second);
-
-  IDBVersionChangeRequest deleteDatabase(String name);
-
-  IDBRequest getDatabaseNames();
-
-  IDBRequest open(String name);
-}