[gtk+/treeview-refactor] Remove unused GdkDeviceManager variable

[Tristan Van Berkom <tvb src gnome org>]

commit 2d65bd08c31aaaa00d22cd24d76057404a0a95f1
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Thu Oct 28 16:43:55 2010 -0400

    Remove unused GdkDeviceManager variable
    
    gdk_display_get_device_manager() was called but the device manager
    not used.

 gdk/gdkevents.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 7fd197e..7d7a7db 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -1033,14 +1033,12 @@ gdk_event_get_device (const GdkEvent *event)
       {
         GdkDisplay *display;
         GdkDevice *core_pointer;
-        GdkDeviceManager *device_manager;
 
         g_warning ("Event with type %d not holding a GdkDevice. "
                    "It is most likely synthesized outside Gdk/GTK+\n",
                    event->type);
 
         display = gdk_window_get_display (event->any.window);
-        device_manager = gdk_display_get_device_manager (display);
         core_pointer = gdk_display_get_core_pointer (display);
 
         if (event->type == GDK_KEY_PRESS ||