remove unused private Resizer

src/core/SkBitmapScaler.h

Index: src/core/SkBitmapScaler.h
diff --git a/src/core/SkBitmapScaler.h b/src/core/SkBitmapScaler.h
index ec4c8170bc5700ed6ac3d2c7f42f30cd0e0291a3..ef559df606c727c2342d6948098cc37d5295e5b8 100644
--- a/src/core/SkBitmapScaler.h
+++ b/src/core/SkBitmapScaler.h
@@ -85,11 +85,6 @@ public:
                        float dest_width, float dest_height,
                        SkBitmap::Allocator* allocator = NULL);
 
-    static SkBitmap Resize(const SkBitmap& source,
-                           ResizeMethod method,
-                           float dest_width, float dest_height,
-                           SkBitmap::Allocator* allocator = NULL);
-
      /** Platforms can also optionally overwrite the convolution functions
         if we have SIMD versions of them.
       */