Remove generated directories with 100s of files.

client/html/generated/html/interface/SVGZoomEvent.dart

Index: client/html/generated/html/interface/SVGZoomEvent.dart
diff --git a/client/html/generated/html/interface/SVGZoomEvent.dart b/client/html/generated/html/interface/SVGZoomEvent.dart
deleted file mode 100644
index 25e921a5161fae36ee60a096c8140c067fa53d3d..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/SVGZoomEvent.dart
+++ /dev/null
@@ -1,18 +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 SVGZoomEvent extends UIEvent {
-
-  final num newScale;
-
-  final SVGPoint newTranslate;
-
-  final num previousScale;
-
-  final SVGPoint previousTranslate;
-
-  final SVGRect zoomRectScreen;
-}