Remove generated directories with 100s of files.

client/html/generated/html/interface/PositionError.dart

Index: client/html/generated/html/interface/PositionError.dart
diff --git a/client/html/generated/html/interface/PositionError.dart b/client/html/generated/html/interface/PositionError.dart
deleted file mode 100644
index ae371626f779d0950b5d3afbf2166befb7ac3051..0000000000000000000000000000000000000000
--- a/client/html/generated/html/interface/PositionError.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 PositionError {
-
-  static final int PERMISSION_DENIED = 1;
-
-  static final int POSITION_UNAVAILABLE = 2;
-
-  static final int TIMEOUT = 3;
-
-  final int code;
-
-  final String message;
-}