[gtk+/wip/baedert/gtk-widget-destroy] gdk: Remove unused struct

[Timm Bäder <baedert src gnome org>]

commit b5d4ed36580da06d2e51c4ffc3f35ef181907bac
Author: Timm Bäder <mail baedert org>
Date:   Sat Oct 7 08:29:11 2017 +0200

    gdk: Remove unused struct

 gdk/gdkevents.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 65bd821..31630cf 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -50,14 +50,6 @@
  */
 
 
-typedef struct _GdkIOClosure GdkIOClosure;
-
-struct _GdkIOClosure
-{
-  GDestroyNotify notify;
-  gpointer data;
-};
-
 /* Private variable declarations
  */