Remove generated directories with 100s of files.

client/dom/generated/src/wrapping/_WebGLActiveInfoWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_WebGLActiveInfoWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_WebGLActiveInfoWrappingImplementation.dart b/client/dom/generated/src/wrapping/_WebGLActiveInfoWrappingImplementation.dart
deleted file mode 100644
index 391be0a05dab1182310e53876398e61e2aa1dd12..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_WebGLActiveInfoWrappingImplementation.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2011, 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.
-
-class _WebGLActiveInfoWrappingImplementation extends DOMWrapperBase implements WebGLActiveInfo {
-  _WebGLActiveInfoWrappingImplementation() : super() {}
-
-  static create__WebGLActiveInfoWrappingImplementation() native {
-    return new _WebGLActiveInfoWrappingImplementation();
-  }
-
-  String get name() { return _get_name(this); }
-  static String _get_name(var _this) native;
-
-  int get size() { return _get_size(this); }
-  static int _get_size(var _this) native;
-
-  int get type() { return _get_type(this); }
-  static int _get_type(var _this) native;
-
-  String get typeName() { return "WebGLActiveInfo"; }
-}