[gtk+] Drop an unused variable

[Matthias Clasen <matthiasc src gnome org>]

commit 5517ab065160a0a3cdf0c27ad5492635d1ecfd2a
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 16 23:27:00 2017 -0500

    Drop an unused variable
    
    These are no longer used.

 gdk/gdk.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gdk/gdk.c b/gdk/gdk.c
index 877046c..2fa861c 100644
--- a/gdk/gdk.c
+++ b/gdk/gdk.c
@@ -131,9 +131,6 @@ static int gdk_initialized = 0;                     /* 1 if the library is initi
                                                      * 0 otherwise.
                                                      */
 
-static gchar  *gdk_progclass = NULL;
-static gboolean gdk_progclass_overridden;
-
 static GMutex gdk_threads_mutex;
 
 static GCallback gdk_threads_lock = NULL;