[gnome-latex] App: no longer use TeplAbstractFactoryVala

[Sébastien Wilmet <swilmet src gnome org>]

commit b84d5b2ea0ea521390e965325a526086f14ab2e1
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Apr 19 14:37:17 2020 +0200

    App: no longer use TeplAbstractFactoryVala

 src/glatex_app.vala | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/src/glatex_app.vala b/src/glatex_app.vala
index 31584a8..20d55f7 100644
--- a/src/glatex_app.vala
+++ b/src/glatex_app.vala
@@ -324,10 +324,9 @@ public class GlatexApp : Gtk.Application
 
     public MainWindow create_window ()
     {
-        Tepl.AbstractFactoryVala factory = Tepl.AbstractFactory.get_singleton ()
-            as Tepl.AbstractFactoryVala;
+        Tepl.AbstractFactory factory = Tepl.AbstractFactory.get_singleton ();
 
-        return factory.create_main_window_vala (this) as MainWindow;
+        return factory.create_main_window (this) as MainWindow;
     }
 
     public void open_documents (File[] files)