remove unused declarations

Bug: skia:
Change-Id: If8ca5e3d649dab3cf8b2bdb1cf072ff23cea9465
Reviewed-on: https://skia-review.googlesource.com/90026
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/src/utils/mac/SkCreateCGImageRef.cpp b/src/utils/mac/SkCreateCGImageRef.cpp
index 1514ba6..95c48b1 100644
--- a/src/utils/mac/SkCreateCGImageRef.cpp
+++ b/src/utils/mac/SkCreateCGImageRef.cpp
@@ -200,8 +200,8 @@
     return cg;
 }
 
-SK_API bool SkCopyPixelsFromCGImage(const SkImageInfo& info, size_t rowBytes, void* pixels,
-                                    CGImageRef image) {
+bool SkCopyPixelsFromCGImage(const SkImageInfo& info, size_t rowBytes, void* pixels,
+                             CGImageRef image) {
     CGBitmapInfo cg_bitmap_info = 0;
     size_t bitsPerComponent = 0;
     switch (info.colorType()) {