[gnome-tetravex] Remove unused signal PuzzleView.tile_moved()

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 286015718e25ae245acf35b8f1afd5f511e80ab9
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri May 30 21:47:39 2014 -0500

    Remove unused signal PuzzleView.tile_moved()

 src/puzzle-view.vala |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/src/puzzle-view.vala b/src/puzzle-view.vala
index 93c7790..822c811 100644
--- a/src/puzzle-view.vala
+++ b/src/puzzle-view.vala
@@ -93,9 +93,6 @@ public class PuzzleView : Gtk.DrawingArea
     private Timer animation_timer;
     private uint animation_timeout = 0;
 
-    /* Emitted when a tile is moved */
-    public signal void tile_moved ();
-
     public PuzzleView ()
     {
         set_events (Gdk.EventMask.EXPOSURE_MASK | Gdk.EventMask.BUTTON_PRESS_MASK | 
Gdk.EventMask.POINTER_MOTION_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK);
@@ -233,7 +230,6 @@ public class PuzzleView : Gtk.DrawingArea
     private void tile_moved_cb (Puzzle puzzle, Tile tile, uint x, uint y)
     {
         move_tile_to_location (tiles.lookup (tile), x, y, 0.2);
-        tile_moved ();
     }
     
     public override bool configure_event (Gdk.EventConfigure event)