Remove generated directories with 100s of files.

client/html/generated/html/interface/DOMParser.dart

Index: client/html/generated/html/interface/DOMParser.dart
diff --git a/client/html/generated/html/interface/DOMParser.dart b/client/html/generated/html/interface/DOMParser.dart
deleted file mode 100644
index 72f7602ff88bd4d0a3b3716a48e2d00709d232e8..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/DOMParser.dart
+++ /dev/null
@@ -1,12 +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 DOMParser default _DOMParserFactoryProvider {
-
-  DOMParser();
-
-  Document parseFromString(String str, String contentType);
-}