[gtk+] Drop a duplicate definition

[Matthias Clasen <matthiasc src gnome org>]

commit 92f49ed3e3e42a5438c3ca0452692abb195b111d
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 16 23:23:42 2017 -0500

    Drop a duplicate definition
    
    GDK_PRIORITY_EVENTS is already defined in gdkevents.h

 gdk/gdkmain.h |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/gdk/gdkmain.h b/gdk/gdkmain.h
index f3b1f37..fa275ea 100644
--- a/gdk/gdkmain.h
+++ b/gdk/gdkmain.h
@@ -35,11 +35,6 @@
 G_BEGIN_DECLS
 
 
-/* Initialization, exit and events
- */
-
-#define GDK_PRIORITY_EVENTS (G_PRIORITY_DEFAULT)
-
 /* Push and pop error handlers for X errors
  */
 GDK_AVAILABLE_IN_ALL