[gtksourceview] Completion: remove bad g_assert()

[Sébastien Wilmet <swilmet src gnome org>]

commit a0d35d11b67ee71072142728b95baa6ed1cd66d7
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Apr 3 16:02:15 2013 +0200

    Completion: remove bad g_assert()
    
    In some circumstances, it is possible to have context != NULL with the
    window still hidden.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697171

 gtksourceview/gtksourcecompletion.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletion.c b/gtksourceview/gtksourcecompletion.c
index f74ba68..4e75ddf 100644
--- a/gtksourceview/gtksourcecompletion.c
+++ b/gtksourceview/gtksourcecompletion.c
@@ -1298,7 +1298,6 @@ update_active_completion (GtkSourceCompletion *completion,
        GList *selected_providers;
 
        g_assert (completion->priv->context != NULL);
-       g_assert (gtk_widget_get_visible (GTK_WIDGET (completion->priv->main_window)));
 
        g_object_set (completion->priv->context,
                      "iter", new_iter,