Remove generated directories with 100s of files.

client/html/generated/html/dartium/MessagePort.dart

Index: client/html/generated/html/dartium/MessagePort.dart
diff --git a/client/html/generated/html/dartium/MessagePort.dart b/client/html/generated/html/dartium/MessagePort.dart
deleted file mode 100644
index b5ee048ffe439472a9191afa1b1d8d308fb4287e..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/MessagePort.dart
+++ /dev/null
@@ -1,69 +0,0 @@
-
-class _MessagePortImpl extends _EventTargetImpl implements MessagePort {
-  _MessagePortImpl._wrap(ptr) : super._wrap(ptr);
-
-  _MessagePortEventsImpl get on() {
-    if (_on == null) _on = new _MessagePortEventsImpl(this);
-    return _on;
-  }
-
-  void _addEventListener(String type, EventListener listener, [bool useCapture = null]) {
-    if (useCapture === null) {
-      _ptr.addEventListener(_unwrap(type), _unwrap(listener));
-      return;
-    } else {
-      _ptr.addEventListener(_unwrap(type), _unwrap(listener), _unwrap(useCapture));
-      return;
-    }
-  }
-
-  void close() {
-    _ptr.close();
-    return;
-  }
-
-  bool _dispatchEvent(Event evt) {
-    return _wrap(_ptr.dispatchEvent(_unwrap(evt)));
-  }
-
-  void postMessage(String message, [List messagePorts = null]) {
-    if (messagePorts === null) {
-      _ptr.postMessage(_unwrap(message));
-      return;
-    } else {
-      _ptr.postMessage(_unwrap(message), _unwrap(messagePorts));
-      return;
-    }
-  }
-
-  void _removeEventListener(String type, EventListener listener, [bool useCapture = null]) {
-    if (useCapture === null) {
-      _ptr.removeEventListener(_unwrap(type), _unwrap(listener));
-      return;
-    } else {
-      _ptr.removeEventListener(_unwrap(type), _unwrap(listener), _unwrap(useCapture));
-      return;
-    }
-  }
-
-  void start() {
-    _ptr.start();
-    return;
-  }
-
-  void webkitPostMessage(String message, [List transfer = null]) {
-    if (transfer === null) {
-      _ptr.webkitPostMessage(_unwrap(message));
-      return;
-    } else {
-      _ptr.webkitPostMessage(_unwrap(message), _unwrap(transfer));
-      return;
-    }
-  }
-}
-
-class _MessagePortEventsImpl extends _EventsImpl implements MessagePortEvents {
-  _MessagePortEventsImpl(_ptr) : super(_ptr);
-
-  EventListenerList get message() => _get('message');
-}