Added RC_DEBUG consition for Unity

Unity/DebugConsole.cs

@@ -1,4 +1,4 @@
-#if UNITY_5_3_OR_NEWER
+#if UNITY_5_3_OR_NEWER && RC_DEBUG
 using System.IO;
 using System.Text;
 using UnityEngine;

Unity/SiteServer.cs

@@ -13,7 +13,9 @@ namespace RoboidControl.Unity {
         //public Queue<RoboidControl.Thing> thingQueue = new();
 
         protected virtual void Awake() {
+#if RC_DEBUG
             Console.SetOut(new UnityLogWriter());
+#endif            
 
             this.coreParticipant = new RoboidControl.SiteServer(port);
         }