[gtk+] Win32: remove leftover function

[Paolo Borelli <pborelli src gnome org>]

commit b3a80180c751773edbfce261860d48b175a6b361
Author: Paolo Borelli <pborelli gnome org>
Date:   Mon Feb 22 18:51:30 2016 +0100

    Win32: remove leftover function
    
    gdk_devices_list was removed from the API in 3.0 and it is not
    in the headers. The win32 implementation lingered on by mistake.

 gdk/win32/gdkinput.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/gdk/win32/gdkinput.c b/gdk/win32/gdkinput.c
index be1313f..2a6eefd 100644
--- a/gdk/win32/gdkinput.c
+++ b/gdk/win32/gdkinput.c
@@ -44,12 +44,6 @@ GList            *_gdk_input_devices;
 GList            *_gdk_input_windows;
 
 GList *
-gdk_devices_list (void)
-{
-  return _gdk_win32_display_list_devices (_gdk_display);
-}
-
-GList *
 _gdk_win32_display_list_devices (GdkDisplay *dpy)
 {
   g_return_val_if_fail (dpy == _gdk_display, NULL);