[babl/wip/pippin/inverted-cmyk: 7/8] babl: comment out unused model_is_rgba

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 68a28f82d81060d707bb2194bdd528e58e24a4d1
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Nov 12 23:36:42 2018 +0100

    babl: comment out unused model_is_rgba

 babl/babl-conversion.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/babl/babl-conversion.c b/babl/babl-conversion.c
index 180ddad..f02ee73 100644
--- a/babl/babl-conversion.c
+++ b/babl/babl-conversion.c
@@ -26,6 +26,7 @@
 #include "babl-db.h"
 #include "babl-ref-pixels.h"
 
+#if 0
 static int model_is_rgba (const Babl *model)
 {
   const Babl *RGBA = babl_model_from_id (BABL_RGBA);
@@ -33,6 +34,7 @@ static int model_is_rgba (const Babl *model)
     return 1;
   return 0;
 }
+#endif
 
 
 static void