Revert of Skia Filter Quality and Scaling Metrics

include/core/SkDevice.h

Index: include/core/SkDevice.h
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h
index 01bf7f944f449d1d850f708209de6b99a0bb68a7..65ec56f902fb87ea9926957db6b099438f90ecba 100644
--- a/include/core/SkDevice.h
+++ b/include/core/SkDevice.h
@@ -376,9 +376,6 @@
         return NULL;
     }
 
-    // A helper function used by derived classes to log the scale factor of a bitmap or image draw.
-    static void LogDrawScaleFactor(const SkMatrix&, SkFilterQuality);
-
 private:
     friend class SkCanvas;
     friend struct DeviceCM; //for setMatrixClip