[gnome-games/sudoku-vala] Fix segfault

[Thomas Hindoe Paaboel Andersen <thomashpa src gnome org>]

commit 1f4c2df816aecf9887a83d65f429067c6fd0ffdf
Author: Christopher Baines <cbaines8 gmail com>
Date:   Fri May 11 16:14:12 2012 +0100

    Fix segfault
    
    Fix a segfault caused by quit_cb being called unnecessarily, as GtkApplication now handles this functionality.

 gnome-sudoku/data/gnome-sudoku.ui |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gnome-sudoku/data/gnome-sudoku.ui b/gnome-sudoku/data/gnome-sudoku.ui
index 391d7fa..750f79f 100644
--- a/gnome-sudoku/data/gnome-sudoku.ui
+++ b/gnome-sudoku/data/gnome-sudoku.ui
@@ -5,7 +5,6 @@
   <object class="GtkApplicationWindow" id="sudoku_app">
     <property name="title" translatable="yes">Sudoku</property>
     <signal name="window-state-event" handler="sudoku_app_window_state_event_cb" swapped="no"/>
-    <signal name="delete-event" handler="quit_cb" swapped="no"/>
     <child>
       <object class="GtkVBox" id="main_vbox">
         <property name="visible">True</property>