Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_DirectoryReaderSyncWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DirectoryReaderSyncWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DirectoryReaderSyncWrappingImplementation.dart
deleted file mode 100644
index d7dde7faae514ec8de81d0e79f8e9ffac523ffd6..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_DirectoryReaderSyncWrappingImplementation.dart
+++ /dev/null
@@ -1,20 +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 _DirectoryReaderSyncWrappingImplementation extends DOMWrapperBase implements DirectoryReaderSync {
-  _DirectoryReaderSyncWrappingImplementation() : super() {}
-
-  static create__DirectoryReaderSyncWrappingImplementation() native {
-    return new _DirectoryReaderSyncWrappingImplementation();
-  }
-
-  EntryArraySync readEntries() {
-    return _readEntries(this);
-  }
-  static EntryArraySync _readEntries(receiver) native;
-
-  String get typeName() { return "DirectoryReaderSync"; }
-}