Port morphology to SkOpts.

src/opts/SkMorphology_opts_neon.h

Index: src/opts/SkMorphology_opts_neon.h
diff --git a/src/opts/SkMorphology_opts_neon.h b/src/opts/SkMorphology_opts_neon.h
deleted file mode 100644
index 0b962bdad61d4a71ed4ce6938a09a855e1c720cf..0000000000000000000000000000000000000000
--- a/src/opts/SkMorphology_opts_neon.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-void SkDilateX_neon(const SkPMColor* src, SkPMColor* dst, int radius,
-                    int width, int height, int srcStride, int dstStride);
-void SkDilateY_neon(const SkPMColor* src, SkPMColor* dst, int radius,
-                    int width, int height, int srcStride, int dstStride);
-void SkErodeX_neon(const SkPMColor* src, SkPMColor* dst, int radius,
-                   int width, int height, int srcStride, int dstStride);
-void SkErodeY_neon(const SkPMColor* src, SkPMColor* dst, int radius,
-                   int width, int height, int srcStride, int dstStride);