[gnome-sudoku] Remove unused signals.

[Parin Porecha <parinporecha src gnome org>]

commit 416b1b6fe94b9acee60cd2cbab7cff9995102167
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Aug 18 19:53:43 2014 +0200

    Remove unused signals.

 src/sudoku-view.vala |   11 -----------
 1 files changed, 0 insertions(+), 11 deletions(-)
---
diff --git a/src/sudoku-view.vala b/src/sudoku-view.vala
index 1f43534..8ba4c35 100644
--- a/src/sudoku-view.vala
+++ b/src/sudoku-view.vala
@@ -352,10 +352,6 @@ public class SudokuView : Gtk.AspectFrame
     public SudokuGame game;
     private SudokuCellView[,] cells;
 
-    public signal void cell_focus_in_event (int row, int col);
-    public signal void cell_focus_out_event (int row, int col);
-    public signal void cell_value_changed_event (int row, int col);
-
     private bool previous_board_broken_state = false;
 
     private Gtk.Overlay overlay;
@@ -425,15 +421,9 @@ public class SudokuView : Gtk.AspectFrame
 
                 cell.background_color = cell.is_fixed ? fixed_cell_color : free_cell_color;
 
-                cell.focus_out_event.connect (() => {
-                    cell_focus_out_event (cell_row, cell_col);
-                    return false;
-                });
-
                 cell.focus_in_event.connect (() => {
                     this.selected_x = cell_col;
                     this.selected_y = cell_row;
-                    cell_focus_in_event (cell_row, cell_col);
 
                     for (var col_tmp = 0; col_tmp < game.board.cols; col_tmp++)
                     {
@@ -455,7 +445,6 @@ public class SudokuView : Gtk.AspectFrame
                 cell.notify["value"].connect ((s, p)=> {
                     if (_show_possibilities || _show_warnings || game.board.broken || 
previous_board_broken_state)
                         previous_board_broken_state = game.board.broken;
-                    cell_value_changed_event (cell_row, cell_col);
 
                     // Redraw the board
                     this.queue_draw ();