Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_CryptoWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_CryptoWrappingImplementation.dart b/client/dom/generated/src/wrapping/_CryptoWrappingImplementation.dart
deleted file mode 100644
index e50ddf89c6d0f9f469d748ad13fc8b65466cc771..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_CryptoWrappingImplementation.dart
+++ /dev/null
@@ -1,21 +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 _CryptoWrappingImplementation extends DOMWrapperBase implements Crypto {
-  _CryptoWrappingImplementation() : super() {}
-
-  static create__CryptoWrappingImplementation() native {
-    return new _CryptoWrappingImplementation();
-  }
-
-  void getRandomValues(ArrayBufferView array) {
-    _getRandomValues(this, array);
-    return;
-  }
-  static void _getRandomValues(receiver, array) native;
-
-  String get typeName() { return "Crypto"; }
-}