[dwrite] Minor, don't include unnecessary headers (#309)

diff --git a/src/hb-directwrite.cc b/src/hb-directwrite.cc
index 6846a86c6bfaca45430453bd3c2fdb690acf3853..76482acd3b3ac50800c7f5f002e33db2c23b518a 100644 (file)
--- a/src/hb-directwrite.cc
+++ b/src/hb-directwrite.cc
@@ -29,10 +29,6 @@
 
 #include "hb-directwrite.h"
 
-#include "hb-open-file-private.hh"
-#include "hb-ot-name-table.hh"
-#include "hb-ot-tag.h"
-
 
 #ifndef HB_DEBUG_DIRECTWRITE
 #define HB_DEBUG_DIRECTWRITE (HB_DEBUG+0)