refactor: removed unnecessary overrides from Behaviour class

Engine.Systems/StateMachine/StateMachine.cs

@@ -3,7 +3,7 @@ using Syntriax.Engine.Core.Serialization;
 
 namespace Syntriax.Engine.Systems.StateMachine;
 
-public class StateMachine : Behaviour
+public class StateMachine : Behaviour, IUpdate
 {
     public Event<StateMachine, StateChangedArguments> OnStateChanged { get; } = new();
 
@@ -44,7 +44,7 @@ public class StateMachine : Behaviour
             State = nextState;
     }
 
-    protected override void OnUpdate()
+    public void Update()
     {
         if (State is null)
             return;