[gtk] Update POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit e29e569d6f8ea33e3cd8c404f25ad54cacb87820
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Aug 14 12:16:51 2020 +0200

    Update POTFILES.skip

 po-properties/POTFILES.skip | 2 +-
 po/POTFILES.skip            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po-properties/POTFILES.skip b/po-properties/POTFILES.skip
index 1394d77f38..f16b9f66c5 100644
--- a/po-properties/POTFILES.skip
+++ b/po-properties/POTFILES.skip
@@ -23,13 +23,13 @@ demos/gtk-demo/font-features.ui
 demos/gtk-demo/fontrendering.ui
 demos/gtk-demo/iconview.c
 demos/gtk-demo/infobar.c
+demos/gtk-demo/listbox2.ui
 demos/gtk-demo/listbox.ui
 demos/gtk-demo/listview_filebrowser.ui
 demos/gtk-demo/listview_minesweeper.ui
 demos/gtk-demo/listview_settings.ui
 demos/gtk-demo/main.ui
 demos/gtk-demo/menus.ui
-demos/gtk-demo/modelbutton.ui
 demos/gtk-demo/offscreen_window2.c
 demos/gtk-demo/paint.c
 demos/gtk-demo/popover.ui
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 251d22b218..d2f1077d47 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -23,13 +23,13 @@ demos/gtk-demo/font-features.ui
 demos/gtk-demo/fontrendering.ui
 demos/gtk-demo/iconview.c
 demos/gtk-demo/infobar.c
+demos/gtk-demo/listbox2.ui
 demos/gtk-demo/listbox.ui
 demos/gtk-demo/listview_filebrowser.ui
 demos/gtk-demo/listview_minesweeper.ui
 demos/gtk-demo/listview_settings.ui
 demos/gtk-demo/main.ui
 demos/gtk-demo/menus.ui
-demos/gtk-demo/modelbutton.ui
 demos/gtk-demo/offscreen_window2.c
 demos/gtk-demo/paint.c
 demos/gtk-demo/popover.ui