[gnome-sudoku] Remove extra curly braces from one-line if statement

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c271f44271f92423f739b1fae20a57b1b061f818
Author: shak-mar <shakmar openmailbox org>
Date:   Wed Jul 10 21:36:05 2019 +0200

    Remove extra curly braces from one-line if statement
    
    I forgot to remove them in "118efca Enable/disable the earmarks only
    once (shak-mar, 2019-07-09)".

 src/sudoku-view.vala | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/sudoku-view.vala b/src/sudoku-view.vala
index 9a46554..44e30b9 100644
--- a/src/sudoku-view.vala
+++ b/src/sudoku-view.vala
@@ -292,9 +292,7 @@ private class SudokuCellView : Gtk.DrawingArea
                 if (earmark_picker == null)
                     create_earmark_picker ();
                 if (earmark_picker.set_earmark (row, col, k_no-1, new_state))
-                {
                     queue_draw ();
-                }
             }
             else
             {