Remove generated directories with 100s of files.

client/html/generated/html/interface/WorkerLocation.dart

Index: client/html/generated/html/interface/WorkerLocation.dart
diff --git a/client/html/generated/html/interface/WorkerLocation.dart b/client/html/generated/html/interface/WorkerLocation.dart
deleted file mode 100644
index ef22c2a6a072af7c1943b23a78fd736c3b6d85ea..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/WorkerLocation.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 WorkerLocation {
-
-  final String hash;
-
-  final String host;
-
-  final String hostname;
-
-  final String href;
-
-  final String pathname;
-
-  final String port;
-
-  final String protocol;
-
-  final String search;
-
-  String toString();
-}