remove SK_SUPPORT_NEW_ONCREATESCALERCONTEXT, no longer needed in chdrome

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1881733005

TBR=

Review URL: https://codereview.chromium.org/1881733005
diff --git a/include/core/SkTypeface.h b/include/core/SkTypeface.h
index f8cd4d1..0fbf6a3 100644
--- a/include/core/SkTypeface.h
+++ b/include/core/SkTypeface.h
@@ -14,8 +14,6 @@
 #include "SkRect.h"
 #include "SkString.h"
 
-#define SK_SUPPORT_NEW_ONCREATESCALERCONTEXT
-
 class SkDescriptor;
 class SkFontData;
 class SkFontDescriptor;