Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/SkEmbossMaskFilter.cpp

Index: src/effects/SkEmbossMaskFilter.cpp
diff --git a/src/effects/SkEmbossMaskFilter.cpp b/src/effects/SkEmbossMaskFilter.cpp
index 4841b92816459ccd9c61b7e413d0b885cdeb38a1..8fcd272646a4421b2f6d367d771a601f882dc04c 100644
--- a/src/effects/SkEmbossMaskFilter.cpp
+++ b/src/effects/SkEmbossMaskFilter.cpp
@@ -124,15 +124,6 @@ bool SkEmbossMaskFilter::filterMask(SkMask* dst, const SkMask& src,
     return true;
 }
 
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-SkEmbossMaskFilter::SkEmbossMaskFilter(SkReadBuffer& buffer) : SkMaskFilter(buffer) {
-    SkASSERT(buffer.getArrayCount() == sizeof(Light));
-    buffer.readByteArray(&fLight, sizeof(Light));
-    SkASSERT(fLight.fPad == 0); // for the font-cache lookup to be clean
-    fBlurSigma = buffer.readScalar();
-}
-#endif
-
 SkFlattenable* SkEmbossMaskFilter::CreateProc(SkReadBuffer& buffer) {
     Light light;
     if (buffer.readByteArray(&light, sizeof(Light))) {