Remove generated directories with 100s of files.

client/html/generated/html/dartium/Notification.dart

Index: client/html/generated/html/dartium/Notification.dart
diff --git a/client/html/generated/html/dartium/Notification.dart b/client/html/generated/html/dartium/Notification.dart
deleted file mode 100644
index 5839d4e3e012bbae152c6c3aacaf445a8e45be28..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/Notification.dart
+++ /dev/null
@@ -1,41 +0,0 @@
-
-class _NotificationImpl extends _EventTargetImpl implements Notification {
-  _NotificationImpl._wrap(ptr) : super._wrap(ptr);
-
-  _NotificationEventsImpl get on() {
-    if (_on == null) _on = new _NotificationEventsImpl(this);
-    return _on;
-  }
-
-  String get dir() => _wrap(_ptr.dir);
-
-  void set dir(String value) { _ptr.dir = _unwrap(value); }
-
-  String get replaceId() => _wrap(_ptr.replaceId);
-
-  void set replaceId(String value) { _ptr.replaceId = _unwrap(value); }
-
-  void cancel() {
-    _ptr.cancel();
-    return;
-  }
-
-  void show() {
-    _ptr.show();
-    return;
-  }
-}
-
-class _NotificationEventsImpl extends _EventsImpl implements NotificationEvents {
-  _NotificationEventsImpl(_ptr) : super(_ptr);
-
-  EventListenerList get click() => _get('click');
-
-  EventListenerList get close() => _get('close');
-
-  EventListenerList get display() => _get('display');
-
-  EventListenerList get error() => _get('error');
-
-  EventListenerList get show() => _get('show');
-}