[gtk+] gdk: Remove unused variable

[Carlos Garnacho <carlosg src gnome org>]

commit c00567a64cf63c7211d2f0c8457901fee64cee4d
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Sep 15 19:23:14 2017 +0200

    gdk: Remove unused variable
    
    It was supporting API that has been removed.

 gdk/gdkdisplay.c        |    3 ---
 gdk/gdkdisplayprivate.h |    1 -
 2 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 0092c85..ad83511 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -404,8 +404,6 @@ gdk_display_dispose (GObject *object)
   display->queued_events = NULL;
   display->queued_tail = NULL;
 
-  g_list_foreach (display->input_devices, (GFunc) g_object_run_dispose, NULL);
-
   if (device_manager)
     {
       /* this is to make it drop devices which may require using the X
@@ -430,7 +428,6 @@ gdk_display_finalize (GObject *object)
 
   g_hash_table_destroy (display->pointers_info);
 
-  g_list_free_full (display->input_devices, g_object_unref);
   g_list_free_full (display->seats, g_object_unref);
 
   if (display->device_manager)
diff --git a/gdk/gdkdisplayprivate.h b/gdk/gdkdisplayprivate.h
index fb5c1f5..ee5d694 100644
--- a/gdk/gdkdisplayprivate.h
+++ b/gdk/gdkdisplayprivate.h
@@ -86,7 +86,6 @@ struct _GdkDisplay
 
   GHashTable *device_grabs;
   GdkDeviceManager *device_manager;
-  GList *input_devices; /* Deprecated, only used to keep gdk_display_list_devices working */
 
   GHashTable *pointers_info;  /* GdkPointerWindowInfo for each device */
   guint32 last_event_time;    /* Last reported event time from server */