Remove SkImageRef and related functionality.

include/images/SkImages.h

Index: include/images/SkImages.h
diff --git a/include/images/SkImages.h b/include/images/SkImages.h
deleted file mode 100644
index abe10da664934c3efde0b1c4fbac1b2b74411fb8..0000000000000000000000000000000000000000
--- a/include/images/SkImages.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-class SkImages {
-public:
-    /**
-     * Initializes flattenables in the images project.
-     */
-    static void InitializeFlattenables();
-};