Remove SK_SUPPORT_LEGACY_BITMAP_FILTER guard

src/core/SkBitmapController.cpp

Index: src/core/SkBitmapController.cpp
diff --git a/src/core/SkBitmapController.cpp b/src/core/SkBitmapController.cpp
index 055594743172e564f1ba8e331a57294ef5982e0d..eabf1356bb886cf16fb3000e6b52876118280e28 100644
--- a/src/core/SkBitmapController.cpp
+++ b/src/core/SkBitmapController.cpp
@@ -105,12 +105,10 @@ bool SkDefaultBitmapControllerState::processHQRequest(const SkBitmapProvider& pr
         return false; // no need for HQ
     }
 
-#ifndef SK_SUPPORT_LEGACY_HQ_DOWNSAMPLING
     if (invScaleX > 1 || invScaleY > 1) {
         return false; // only use HQ when upsampling
     }
-#endif
-    
+
     const int dstW = SkScalarRoundToScalar(provider.width() / invScaleX);
     const int dstH = SkScalarRoundToScalar(provider.height() / invScaleY);
     const SkBitmapCacheDesc desc = provider.makeCacheDesc(dstW, dstH);