[gnome-sudoku] Remove unnecessary 'finished' signal

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a1cbdbf04a75f04ab0ade549535696c8492a0742
Author: Iulian Radu <iulian radu67 gmail com>
Date:   Tue Mar 17 11:19:32 2015 +0200

    Remove unnecessary 'finished' signal
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736773

 src/gnome-sudoku.vala |    3 +--
 src/print-dialog.vala |    8 ++------
 2 files changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index 789aed8..48c6bcb 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -495,8 +495,7 @@ public class Sudoku : Gtk.Application
         print_action.set_enabled (false);
         print_multiple_action.set_enabled (false);
         var print_dialog = new PrintDialog (saver, window);
-        print_dialog.finished.connect (() => {
-            print_dialog.destroy ();
+        print_dialog.destroy.connect (() => {
             this.print_action.set_enabled (main_stack.get_visible_child_name () == "frame");
             this.print_multiple_action.set_enabled (true);
         });
diff --git a/src/print-dialog.vala b/src/print-dialog.vala
index 1be7ef5..b1166cd 100644
--- a/src/print-dialog.vala
+++ b/src/print-dialog.vala
@@ -45,10 +45,6 @@ public class PrintDialog : Gtk.Dialog
 
     private Cancellable cancellable;
 
-    /* After emitting our response, we continue to asynchronously generate puzzles
-       in the background. This signal indicates when we are really finished. */
-    public signal void finished ();
-
     private const string DIFFICULTY_KEY_NAME = "print-multiple-sudoku-difficulty";
 
     public PrintDialog (SudokuSaver saver, Gtk.Window window)
@@ -118,7 +114,7 @@ public class PrintDialog : Gtk.Dialog
     {
         if (response != Gtk.ResponseType.OK)
         {
-            finished ();
+            destroy ();
             return;
         }
 
@@ -171,7 +167,7 @@ public class PrintDialog : Gtk.Dialog
                 }
             }
 
-            finished ();
+            destroy ();
         });
     }
 }