using StatelessTraitInfo<> for some things

OpenRa.Game/Traits/Selectable.cs

@@ -5,17 +5,12 @@ using System.Text;
 
 namespace OpenRa.Game.Traits
 {
-	class SelectableInfo : ITraitInfo
+	class SelectableInfo : StatelessTraitInfo<Selectable>
 	{
 		public readonly int Priority = 10;
 		public readonly int[] Bounds = null;
 		public readonly string Voice = "GenericVoice";
-
-		public object Create(Actor self) { return new Selectable(self); }
 	}
 
-	class Selectable
-	{
-		public Selectable( Actor self ) { }
-	}
+	class Selectable {}
 }