Clean up cloud printing aura stub code.

printing/image_aura.cc

Index: printing/image_aura.cc
diff --git a/printing/image_aura.cc b/printing/image_aura.cc
deleted file mode 100644
index 694fd7d5c580e49e73a8fdcc360142c7ff3d90bb..0000000000000000000000000000000000000000
--- a/printing/image_aura.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "printing/image.h"
-
-#include "base/logging.h"
-
-namespace printing {
-
-bool Image::LoadMetafile(const Metafile& metafile) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-}  // namespace printing