Remove generated directories with 100s of files.

client/html/generated/html/dartium/EventSource.dart

Index: client/html/generated/html/dartium/EventSource.dart
diff --git a/client/html/generated/html/dartium/EventSource.dart b/client/html/generated/html/dartium/EventSource.dart
deleted file mode 100644
index f6a6985c813461fecdcb3def036768a5c7862c6a..0000000000000000000000000000000000000000
--- a/client/html/generated/html/dartium/EventSource.dart
+++ /dev/null
@@ -1,54 +0,0 @@
-
-class _EventSourceImpl extends _EventTargetImpl implements EventSource {
-  _EventSourceImpl._wrap(ptr) : super._wrap(ptr);
-
-  _EventSourceEventsImpl get on() {
-    if (_on == null) _on = new _EventSourceEventsImpl(this);
-    return _on;
-  }
-
-  String get URL() => _wrap(_ptr.URL);
-
-  int get readyState() => _wrap(_ptr.readyState);
-
-  String get url() => _wrap(_ptr.url);
-
-  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 _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;
-    }
-  }
-}
-
-class _EventSourceEventsImpl extends _EventsImpl implements EventSourceEvents {
-  _EventSourceEventsImpl(_ptr) : super(_ptr);
-
-  EventListenerList get error() => _get('error');
-
-  EventListenerList get message() => _get('message');
-
-  EventListenerList get open() => _get('open');
-}