[gnome-klotski] Remove a method.

[Arnaud B. <arnaudb src gnome org>]

commit 9c5d601924b36a8b92fedab4acd1cb7a642a901f
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sun Feb 9 05:25:54 2020 +0100

    Remove a method.

 src/puzzle-view.vala | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
---
diff --git a/src/puzzle-view.vala b/src/puzzle-view.vala
index 80bbc63..91906d7 100644
--- a/src/puzzle-view.vala
+++ b/src/puzzle-view.vala
@@ -59,8 +59,8 @@ private class PuzzleView : Gtk.DrawingArea
             if (puzzle_init_done)
                 SignalHandler.disconnect_by_func (_puzzle, null, this);
             _puzzle = value;
+            _puzzle.changed.connect (queue_draw);
             puzzle_init_done = true;
-            _puzzle.changed.connect (puzzle_changed_cb);
             piece_x = 0;
             piece_y = 0;
             piece_unmoved = false;
@@ -319,9 +319,4 @@ private class PuzzleView : Gtk.DrawingArea
 
         return false;
     }
-
-    private void puzzle_changed_cb ()
-    {
-        queue_draw ();
-    }
 }