Remove SK_FONTHOST_USES_FONTMGR.

src/fonts/SkGScalerContext.cpp

Index: src/fonts/SkGScalerContext.cpp
===================================================================
--- src/fonts/SkGScalerContext.cpp	(revision 12201)
+++ src/fonts/SkGScalerContext.cpp	(working copy)
@@ -220,15 +220,6 @@
     return fProxy->getTableData(tag, offset, length, data);
 }
 
-SkTypeface* SkGTypeface::onRefMatchingStyle(Style style) const {
-    if (this->style() == style) {
-        return const_cast<SkGTypeface*>(SkRef(this));
-    }
-
-    SkAutoTUnref<SkTypeface> other(fProxy->refMatchingStyle(style));
-    return SkNEW_ARGS(SkGTypeface, (other, fPaint));
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 #if 0