Minor style cleanup.

tests/HexGridPathFindingTests.cs

@@ -1,15 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 using Godot;
-using Godot.Collections;
 using GoDotTest;
 using Xunit;
-using Array = System.Array;
-
-//using GodotXUnitApi;
-//using Xunit;
 
 namespace GodotComponentTest.tests;