[GDEF] Move code around

src/hb-ot-layout.hh

diff --git a/src/hb-ot-layout.hh b/src/hb-ot-layout.hh
index 03ae9b7..7abaaaa 100644
--- a/src/hb-ot-layout.hh
+++ b/src/hb-ot-layout.hh
@@ -44,17 +44,9 @@
   struct GPOS;
 }
 
-HB_INTERNAL const OT::GDEF&
-_get_gdef (hb_face_t *face);
-HB_INTERNAL hb_blob_t *
-_get_gsub_blob (hb_face_t *face);
-HB_INTERNAL const OT::GSUB&
-_get_gsub (hb_face_t *face);
-
-HB_INTERNAL hb_blob_t *
-_get_gpos_blob (hb_face_t *face);
-HB_INTERNAL const OT::GPOS&
-_get_gpos (hb_face_t *face);
+HB_INTERNAL const OT::GDEF& _get_gdef (hb_face_t *face);
+HB_INTERNAL const OT::GSUB& _get_gsub (hb_face_t *face);
+HB_INTERNAL const OT::GPOS& _get_gpos (hb_face_t *face);
 
 
 /* Private API corresponding to hb-ot-layout.h: */