Remove SkCanvas::experimental_drawImageSetV0

Bug: skia:8563
Change-Id: I4421a19979a2a1ddae4ca52871c71e9d7d1220d8
Reviewed-on: https://skia-review.googlesource.com/c/172870
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/include/utils/SkNWayCanvas.h b/include/utils/SkNWayCanvas.h
index a5339d7..6d77ea6 100644
--- a/include/utils/SkNWayCanvas.h
+++ b/include/utils/SkNWayCanvas.h
@@ -66,7 +66,7 @@
     void onDrawImageLattice(const SkImage*, const Lattice&, const SkRect&, const SkPaint*) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
                          const SkPaint*) override;
-    void onDrawImageSet(const SkCanvas::ImageSetEntry[], int count, float alpha, SkFilterQuality,
+    void onDrawImageSet(const SkCanvas::ImageSetEntry[], int count, SkFilterQuality,
                         SkBlendMode) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
                           const SkPaint*) override;