[gtk] toolitem: Remove unused members

[Timm Bäder <baedert src gnome org>]

commit cee8f78c6ea64bb636db7937ec983f361086a116
Author: Timm Bäder <mail baedert org>
Date:   Mon Dec 30 09:16:18 2019 +0100

    toolitem: Remove unused members

 gtk/gtktoolitem.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/gtk/gtktoolitem.c b/gtk/gtktoolitem.c
index 08609a67ee..1515064ec7 100644
--- a/gtk/gtktoolitem.c
+++ b/gtk/gtktoolitem.c
@@ -75,9 +75,6 @@ enum {
 
 struct _GtkToolItemPrivate
 {
-  gchar *tip_text;
-  gchar *tip_private;
-
   guint visible_horizontal    : 1;
   guint visible_vertical      : 1;
   guint homogeneous           : 1;