remove SK_SUPPORT_LEGACY_PIXELREF_UNFLATTENABLE code

include/core/SkMallocPixelRef.h

Index: include/core/SkMallocPixelRef.h
diff --git a/include/core/SkMallocPixelRef.h b/include/core/SkMallocPixelRef.h
index 5415e01900dbe46ebe2468513acf343d3c5f7cb0..63ed19ae3ceab8eb45cc6819f87dd7a3cad91819 100644
--- a/include/core/SkMallocPixelRef.h
+++ b/include/core/SkMallocPixelRef.h
@@ -82,17 +82,10 @@ public:
                                    SkColorTable*) SK_OVERRIDE;
     };
 
-#ifdef SK_SUPPORT_LEGACY_PIXELREF_UNFLATTENABLE
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMallocPixelRef)
-#endif
-
 protected:
     // The ownPixels version of this constructor is deprecated.
     SkMallocPixelRef(const SkImageInfo&, void* addr, size_t rb, SkColorTable*,
                      bool ownPixels);
-#ifdef SK_SUPPORT_LEGACY_PIXELREF_UNFLATTENABLE
-    SkMallocPixelRef(SkReadBuffer& buffer);
-#endif
     virtual ~SkMallocPixelRef();
 
     virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;