Remove generated directories with 100s of files.

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

Index: client/dom/generated/src/wrapping/_SQLTransactionWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_SQLTransactionWrappingImplementation.dart b/client/dom/generated/src/wrapping/_SQLTransactionWrappingImplementation.dart
deleted file mode 100644
index e5967530803244e3e0afad8813f29ff82a22c228..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_SQLTransactionWrappingImplementation.dart
+++ /dev/null
@@ -1,15 +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 _SQLTransactionWrappingImplementation extends DOMWrapperBase implements SQLTransaction {
-  _SQLTransactionWrappingImplementation() : super() {}
-
-  static create__SQLTransactionWrappingImplementation() native {
-    return new _SQLTransactionWrappingImplementation();
-  }
-
-  String get typeName() { return "SQLTransaction"; }
-}