[gtk/unused-typehint] gdk: Remove an unused field

[Matthias Clasen <matthiasc src gnome org>]

commit c723893f09c074b86b8a84bc9e575c64a3ad59fa
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 21 11:18:22 2019 -0400

    gdk: Remove an unused field
    
    Its not used, so get rid of it.

 gdk/gdkinternals.h | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gdk/gdkinternals.h b/gdk/gdkinternals.h
index f2261f0571..eece0397d3 100644
--- a/gdk/gdkinternals.h
+++ b/gdk/gdkinternals.h
@@ -131,7 +131,6 @@ struct _GdkSurfaceAttr
   gint height;
   GdkSurfaceSurfaceClass wclass;
   GdkSurfaceType surface_type;
-  GdkSurfaceTypeHint type_hint;
 };
 
 struct _GdkSurface