Remove obsolete test fixture

MultiversalDiplomacyTests/AdjudicatorTests.cs

@@ -1,30 +0,0 @@
-using MultiversalDiplomacy.Adjudicate;
-using MultiversalDiplomacy.Model;
-using MultiversalDiplomacy.Orders;
-
-using NUnit.Framework;
-
-namespace MultiversalDiplomacyTests;
-
-public class AdjudicatorTests
-{
-    [Test]
-    public void OrderValidationTest()
-    {
-        IPhaseAdjudicator rubberStamp = new TestAdjudicator((world, orders) =>
-        {
-            return orders.Select(o => o.Validate(ValidationReason.Valid)).ToList();
-        });
-        World world = World.WithStandardMap().WithInitialSeason();
-        Power power = world.GetPower("Austria");
-
-        Order order = new NullOrder(power);
-        List<Order> orders = new List<Order> { order };
-        IEnumerable<OrderValidation> results = rubberStamp.ValidateOrders(world, orders);
-
-        Assert.That(results.Count(), Is.EqualTo(1));
-        Assert.That(results.First().Order, Is.EqualTo(order));
-        Assert.That(results.First().Reason, Is.EqualTo(ValidationReason.Valid));
-        Assert.That(results.First().Valid, Is.True);
-    }
-}