[gnome-games] game-thumbnail: Remove default on props having get/set

[Adrien Plazas <aplazas src gnome org>]

commit 7b6c2bbae337fb6c4027616c046a7d15465d7257
Author: theawless <theawless gmail com>
Date:   Tue Jul 3 00:55:17 2018 +0530

    game-thumbnail: Remove default on props having get/set
    
    These were useless anyway and removing them fixes the compilation error
    when built with Vala 0.42.

 src/ui/game-thumbnail.vala | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/ui/game-thumbnail.vala b/src/ui/game-thumbnail.vala
index 21ae4998..8e6b0c4c 100644
--- a/src/ui/game-thumbnail.vala
+++ b/src/ui/game-thumbnail.vala
@@ -19,7 +19,6 @@ private class Games.GameThumbnail: Gtk.DrawingArea {
 
                        queue_draw ();
                }
-               default = null;
        }
 
        private ulong cover_changed_id;
@@ -40,7 +39,6 @@ private class Games.GameThumbnail: Gtk.DrawingArea {
 
                        invalidate_cover ();
                }
-               default = null;
        }
 
        private Gdk.Pixbuf? cover_cache;