[vala/0.50] gtk4: Update to 4.0.1

[Rico Tzschichholz <ricotz src gnome org>]

commit 489825dd7bedfe768f9b46367e66e5e5cc87546a
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Jan 9 18:54:56 2021 +0100

    gtk4: Update to 4.0.1

 vapi/gtk4.vapi | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
index 2165b98ec..8c8ecb53e 100644
--- a/vapi/gtk4.vapi
+++ b/vapi/gtk4.vapi
@@ -12377,10 +12377,6 @@ namespace Gtk {
                public bool empty { get; }
                public Gtk.PackType side { get; set; }
        }
-       [CCode (cheader_filename = "gtk/gtk.h", has_type_id = false)]
-       [Compact]
-       public class WindowGeometryInfo {
-       }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_window_group_get_type ()")]
        public class WindowGroup : GLib.Object {
                [CCode (has_construct_function = false)]