Remove SkLayerRasterizer legacy code.

src/effects/SkLayerRasterizer.cpp

Index: src/effects/SkLayerRasterizer.cpp
diff --git a/src/effects/SkLayerRasterizer.cpp b/src/effects/SkLayerRasterizer.cpp
index 7143a3b40e915839406efb9fa401cd59d7a50ae2..ed9939b2aa908582d5fa7ebdb2c22942a633a2ee 100644
--- a/src/effects/SkLayerRasterizer.cpp
+++ b/src/effects/SkLayerRasterizer.cpp
@@ -50,17 +50,6 @@ SkLayerRasterizer::~SkLayerRasterizer() {
     clean_up_layers(const_cast<SkDeque*>(fLayers));
 }
 
-#ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API
-void SkLayerRasterizer::addLayer(const SkPaint& paint, SkScalar dx,
-                                 SkScalar dy) {
-    SkASSERT(fLayers);
-    SkLayerRasterizer_Rec* rec = (SkLayerRasterizer_Rec*)fLayers->push_back();
-
-    SkNEW_PLACEMENT_ARGS(&rec->fPaint, SkPaint, (paint));
-    rec->fOffset.set(dx, dy);
-}
-#endif
-
 static bool compute_bounds(const SkDeque& layers, const SkPath& path,
                            const SkMatrix& matrix,
                            const SkIRect* clipBounds, SkIRect* bounds) {