Remove generated directories with 100s of files.

client/html/generated/html/interface/MouseEvent.dart

Index: client/html/generated/html/interface/MouseEvent.dart
diff --git a/client/html/generated/html/interface/MouseEvent.dart b/client/html/generated/html/interface/MouseEvent.dart
deleted file mode 100644
index 6b31188439c83852a7efc8f6f63d3425562dc520..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/MouseEvent.dart
+++ /dev/null
@@ -1,50 +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 MouseEvent extends UIEvent default _MouseEventFactoryProvider {
-
-  MouseEvent(String type, Window view, int detail, int screenX, int screenY,
-      int clientX, int clientY, int button, [bool canBubble, bool cancelable,
-      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey,
-      EventTarget relatedTarget]);
-
-
-  final bool altKey;
-
-  final int button;
-
-  final int clientX;
-
-  final int clientY;
-
-  final bool ctrlKey;
-
-  final Clipboard dataTransfer;
-
-  final Node fromElement;
-
-  final bool metaKey;
-
-  final int offsetX;
-
-  final int offsetY;
-
-  final EventTarget relatedTarget;
-
-  final int screenX;
-
-  final int screenY;
-
-  final bool shiftKey;
-
-  final Node toElement;
-
-  final int x;
-
-  final int y;
-
-  void _initMouseEvent(String type, bool canBubble, bool cancelable, Window view, int detail, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, int button, EventTarget relatedTarget);
-}