Remove generated directories with 100s of files.

client/html/generated/html/frog/FrameSetElement.dart

Index: client/html/generated/html/frog/FrameSetElement.dart
diff --git a/client/html/generated/html/frog/FrameSetElement.dart b/client/html/generated/html/frog/FrameSetElement.dart
deleted file mode 100644
index f73d2d8997739d07e24504d41f5bceb4780e6987..0000000000000000000000000000000000000000
--- a/client/html/generated/html/frog/FrameSetElement.dart
+++ /dev/null
@@ -1,40 +0,0 @@
-
-class _FrameSetElementImpl extends _ElementImpl implements FrameSetElement native "*HTMLFrameSetElement" {
-
-  _FrameSetElementEventsImpl get on() =>
-    new _FrameSetElementEventsImpl(this);
-
-  String cols;
-
-  String rows;
-}
-
-class _FrameSetElementEventsImpl extends _ElementEventsImpl implements FrameSetElementEvents {
-  _FrameSetElementEventsImpl(_ptr) : super(_ptr);
-
-  EventListenerList get beforeUnload() => _get('beforeunload');
-
-  EventListenerList get blur() => _get('blur');
-
-  EventListenerList get error() => _get('error');
-
-  EventListenerList get focus() => _get('focus');
-
-  EventListenerList get hashChange() => _get('hashchange');
-
-  EventListenerList get load() => _get('load');
-
-  EventListenerList get message() => _get('message');
-
-  EventListenerList get offline() => _get('offline');
-
-  EventListenerList get online() => _get('online');
-
-  EventListenerList get popState() => _get('popstate');
-
-  EventListenerList get resize() => _get('resize');
-
-  EventListenerList get storage() => _get('storage');
-
-  EventListenerList get unload() => _get('unload');
-}