[gnome-nibbles/wip/vala] Remove unused restart_game signal

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3364dfdc91b0a019d686b1b4603cea0a8c0f1786
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Sep 20 12:24:36 2015 -0500

    Remove unused restart_game signal

 src/gnome-nibbles.vala |    5 ++---
 src/nibbles-game.vala  |    1 -
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/gnome-nibbles.vala b/src/gnome-nibbles.vala
index 65593a0..6b7cbfb 100644
--- a/src/gnome-nibbles.vala
+++ b/src/gnome-nibbles.vala
@@ -176,7 +176,6 @@ public class Nibbles : Gtk.Application
         /* Create game */
         game = new NibblesGame (settings);
         game.log_score.connect (log_score_cb);
-        game.restart_game.connect (restart_game_cb);
         game.level_completed.connect (level_completed_cb);
         game.notify["is_paused"].connect (() => {
             if (game.is_paused)
@@ -346,7 +345,7 @@ public class Nibbles : Gtk.Application
         });
     }
 
-    private void restart_game_cb ()
+    private void restart_game ()
     {
         view.new_level (game.current_level);
 
@@ -672,7 +671,7 @@ public class Nibbles : Gtk.Application
 
             headerbar.set_title (_("Level %d").printf(game.current_level));
 
-            restart_game_cb ();
+            restart_game ();
         });
 
         overlay.add_overlay (label);
diff --git a/src/nibbles-game.vala b/src/nibbles-game.vala
index a7968d1..2e63f99 100644
--- a/src/nibbles-game.vala
+++ b/src/nibbles-game.vala
@@ -79,7 +79,6 @@ public class NibblesGame : Object
     public signal void bonus_applied (Worm worm);
     public signal void log_score (int score);
     public signal void animate_end_game ();
-    public signal void restart_game ();
     public signal void level_completed ();
 
     public NibblesGame (Settings settings)