[gnome-subtitles] Code cleanup

[Pedro Castro <pcastro src gnome org>]

commit 1cf5a9aca86be199fffa0ebd784019f6938f650b
Author: Pedro Castro <pedro gnomesubtitles org>
Date:   Sat Jan 30 21:17:12 2021 +0000

    Code cleanup

 src/GnomeSubtitles/Ui/MainUi.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/GnomeSubtitles/Ui/MainUi.cs b/src/GnomeSubtitles/Ui/MainUi.cs
index 621a568..a11bcfb 100644
--- a/src/GnomeSubtitles/Ui/MainUi.cs
+++ b/src/GnomeSubtitles/Ui/MainUi.cs
@@ -1,6 +1,6 @@
 /*
  * This file is part of Gnome Subtitles.
- * Copyright (C) 2006-2019 Pedro Castro
+ * Copyright (C) 2006-2021 Pedro Castro
  *
  * Gnome Subtitles is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,7 +20,6 @@
 using GnomeSubtitles.Core;
 using GnomeSubtitles.Dialog;
 using GnomeSubtitles.Dialog.Message;
-using GnomeSubtitles.Execution;
 using GnomeSubtitles.Ui.Edit;
 using GnomeSubtitles.Ui.VideoPreview;
 using GnomeSubtitles.Ui.View;