Remove generated directories with 100s of files.

client/html/generated/html/interface/EventTarget.dart

Index: client/html/generated/html/interface/EventTarget.dart
diff --git a/client/html/generated/html/interface/EventTarget.dart b/client/html/generated/html/interface/EventTarget.dart
deleted file mode 100644
index 786d63bed471f1bda473937b583cad7f07c9bfee..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/EventTarget.dart
+++ /dev/null
@@ -1,29 +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 EventListenerList {
-  EventListenerList add(EventListener handler, [bool useCapture]);
-
-  EventListenerList remove(EventListener handler, [bool useCapture]);
-
-  bool dispatch(Event evt);
-}
-
-interface Events {
-  EventListenerList operator [](String type);
-}
-
-interface EventTarget {
-
-  final Events on;
-
-  void _addEventListener(String type, EventListener listener, [bool useCapture]);
-
-  bool _dispatchEvent(Event event);
-
-  void _removeEventListener(String type, EventListener listener, [bool useCapture]);
-
-}