Remove generated directories with 100s of files.

client/html/generated/html/interface/NodeList.dart

Index: client/html/generated/html/interface/NodeList.dart
diff --git a/client/html/generated/html/interface/NodeList.dart b/client/html/generated/html/interface/NodeList.dart
deleted file mode 100644
index 129839ff17f270e212e544aff2e01de52eca3474..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/NodeList.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 2011, 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 NodeList extends List<Node> {
-
-  NodeList filter(bool f(Node element));
-
-  NodeList getRange(int start, int length);
-
-  Node get first();
-
-
-  final int length;
-
-}