Remove generated directories with 100s of files.

client/html/generated/html/interface/WebSocket.dart

Index: client/html/generated/html/interface/WebSocket.dart
diff --git a/client/html/generated/html/interface/WebSocket.dart b/client/html/generated/html/interface/WebSocket.dart
deleted file mode 100644
index 5df70954951e9718257db1396a43073ad969a3f0..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/WebSocket.dart
+++ /dev/null
@@ -1,53 +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 WebSocket extends EventTarget {
-
-  WebSocketEvents get on();
-
-  static final int CLOSED = 3;
-
-  static final int CLOSING = 2;
-
-  static final int CONNECTING = 0;
-
-  static final int OPEN = 1;
-
-  final String URL;
-
-  String binaryType;
-
-  final int bufferedAmount;
-
-  final String extensions;
-
-  final String protocol;
-
-  final int readyState;
-
-  final String url;
-
-  void _addEventListener(String type, EventListener listener, [bool useCapture]);
-
-  void close([int code, String reason]);
-
-  bool _dispatchEvent(Event evt);
-
-  void _removeEventListener(String type, EventListener listener, [bool useCapture]);
-
-  bool send(String data);
-}
-
-interface WebSocketEvents extends Events {
-
-  EventListenerList get close();
-
-  EventListenerList get error();
-
-  EventListenerList get message();
-
-  EventListenerList get open();
-}