Remove generated directories with 100s of files.

client/html/generated/html/interface/SVGNumberList.dart

Index: client/html/generated/html/interface/SVGNumberList.dart
diff --git a/client/html/generated/html/interface/SVGNumberList.dart b/client/html/generated/html/interface/SVGNumberList.dart
deleted file mode 100644
index 84d35dcd7621b845b9ecf9c20079f8017e9a49ad..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/SVGNumberList.dart
+++ /dev/null
@@ -1,24 +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 SVGNumberList {
-
-  final int numberOfItems;
-
-  SVGNumber appendItem(SVGNumber item);
-
-  void clear();
-
-  SVGNumber getItem(int index);
-
-  SVGNumber initialize(SVGNumber item);
-
-  SVGNumber insertItemBefore(SVGNumber item, int index);
-
-  SVGNumber removeItem(int index);
-
-  SVGNumber replaceItem(SVGNumber item, int index);
-}