SkUserConfig.h: remove out-of-date comment on SK_SFNTLY_SUBSETTER

Change-Id: I6894fe43de071999e4923e1515a951b73e2ba0b1
Reviewed-on: https://skia-review.googlesource.com/7619
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/include/config/SkUserConfig.h b/include/config/SkUserConfig.h
index 0729447..055cd4d 100644
--- a/include/config/SkUserConfig.h
+++ b/include/config/SkUserConfig.h
@@ -93,10 +93,6 @@
  */
 //#define SK_DEFAULT_IMAGE_CACHE_LIMIT (1024 * 1024)
 
-/*  Define this to provide font subsetter in PDF generation.
- */
-//#define SK_SFNTLY_SUBSETTER "sample/chromium/font_subsetter.h"
-
 /*  Define this to set the upper limit for text to support LCD. Values that
     are very large increase the cost in the font cache and draw slower, without
     improving readability. If this is undefined, Skia will use its default