[gbrainy] Remove unused var

[Jordi Mas <jmas src gnome org>]

commit d2da8561c326cb22aec70c0508ad0bf2d6dd33ab
Author: Jordi Mas <jmas softcatala org>
Date:   Wed Jan 9 22:09:15 2019 +0100

    Remove unused var

 src/Games/Logic/PuzzleBalance.cs | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/Games/Logic/PuzzleBalance.cs b/src/Games/Logic/PuzzleBalance.cs
index d01ab59..78f5cb7 100644
--- a/src/Games/Logic/PuzzleBalance.cs
+++ b/src/Games/Logic/PuzzleBalance.cs
@@ -75,7 +75,6 @@ namespace gbrainy.Games.Logic
                public void DrawBalance (CairoContextEx gr, double x, double y, int index, bool full)
                {
 
-                       const double width = 0.5;
                        double fig_x = x + 0.1, fig_y = y - 0.08;
                        int total = (full == true) ? (elements * 2) : elements;