Remove SkImageRef and related functionality.

src/images/SkImages.cpp

Index: src/images/SkImages.cpp
diff --git a/src/images/SkImages.cpp b/src/images/SkImages.cpp
deleted file mode 100644
index 5b6bf6b7ce92a67cd33eebc3615c1c9210b0c800..0000000000000000000000000000000000000000
--- a/src/images/SkImages.cpp
+++ /dev/null
@@ -1,21 +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.
- */
-
-#include "SkFlattenable.h"
-#include "SkImageRef_GlobalPool.h"
-#include "SkImages.h"
-
-#ifdef SK_BUILD_FOR_ANDROID
-#include "SkImageRef_ashmem.h"
-#endif
-
-void SkImages::InitializeFlattenables() {
-    SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkImageRef_GlobalPool)
-#ifdef SK_BUILD_FOR_ANDROID
-    SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkImageRef_ashmem)
-#endif
-}