Remove generated directories with 100s of files.

client/dom/generated/src/interface/MouseEvent.dart

Index: client/dom/generated/src/interface/MouseEvent.dart
diff --git a/client/dom/generated/src/interface/MouseEvent.dart b/client/dom/generated/src/interface/MouseEvent.dart
deleted file mode 100644
index 2b08c7fb028a7e1ee4ff338578961503c718c78e..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/interface/MouseEvent.dart
+++ /dev/null
@@ -1,44 +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 {
-
-  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, DOMWindow view, int detail, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, int button, EventTarget relatedTarget);
-}