[gnome-games] ui: Remove unused display_error() from CollectionBox

[Adrien Plazas <aplazas src gnome org>]

commit d3c5c38996b23ca1bdbb4bef836892622c9e0b41
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Aug 17 08:15:13 2016 +0200

    ui: Remove unused display_error() from CollectionBox
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769801

 src/ui/collection-box.vala |   17 -----------------
 1 files changed, 0 insertions(+), 17 deletions(-)
---
diff --git a/src/ui/collection-box.vala b/src/ui/collection-box.vala
index c41d0d6..95518cf 100644
--- a/src/ui/collection-box.vala
+++ b/src/ui/collection-box.vala
@@ -28,23 +28,6 @@ private class Games.CollectionBox : Gtk.Box {
                                                BindingFlags.BIDIRECTIONAL);
        }
 
-       public void display_error (string message) {
-               var error = new ErrorInfoBar ();
-               error.message = message;
-               info_box.pack_start (error, false, false);
-
-               error.response.connect (on_info_bar_response);
-               error.close.connect (on_info_bar_close);
-       }
-
-       private void on_info_bar_response (Gtk.InfoBar info_bar, int response_id) {
-               info_box.remove (info_bar);
-       }
-
-       private void on_info_bar_close (Gtk.InfoBar info_bar) {
-               info_box.remove (info_bar);
-       }
-
        [GtkCallback]
        private void on_game_activated (Game game) {
                game_activated (game);