Remove completed TODO in SkFontMgr.h.

git-svn-id: http://skia.googlecode.com/svn/trunk@12424 2bbb7eff-a529-9590-31e7-b0007b416f81

include/ports/SkFontMgr.h

@@ -105,7 +105,6 @@ protected:
     virtual SkTypeface* onCreateFromStream(SkStream*, int ttcIndex) = 0;
     virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) = 0;
 
-    // TODO: make this pure-virtual once all ports know about it
     virtual SkTypeface* onLegacyCreateTypeface(const char familyName[],
                                                unsigned styleBits) = 0;
 private: