[libdazzle] example: remove unnecessary call to set theme name

[Christian Hergert <chergert src gnome org>]

commit fd9d721eafbd6b549b6f75ea347590846e5cc14c
Author: Christian Hergert <chergert redhat com>
Date:   Sat Jun 17 16:27:47 2017 -0700

    example: remove unnecessary call to set theme name

 examples/app/example-window.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/examples/app/example-window.c b/examples/app/example-window.c
index 8986cff..588652a 100644
--- a/examples/app/example-window.c
+++ b/examples/app/example-window.c
@@ -143,8 +143,6 @@ example_window_init (ExampleWindow *self)
 
   controller = dzl_shortcut_controller_find (GTK_WIDGET (self));
 
-  dzl_shortcut_manager_set_theme_name (NULL, "default");
-
   dzl_shortcut_controller_add_command_action (controller, "com.example.window.NewDoc", NULL, 
"win.new-document");
   dzl_shortcut_controller_add_command_action (controller, "com.example.window.CloseDoc", NULL, 
"win.close-document");