make autotarget not interested in cloaked units; make ss a normal ship (but cloaked) rather than its own unit type

OpenRA.Game/Traits/AI/AutoTarget.cs

@@ -67,6 +67,7 @@ namespace OpenRA.Traits
 			return inRange
 				.Where(a => a.Owner != null && self.Owner.Stances[ a.Owner ] == Stance.Enemy)
 				.Where(a => Combat.HasAnyValidWeapons(self, a))
+				.Where(a => !a.traits.Contains<Cloak>() || !a.traits.Get<Cloak>().Cloaked)
 				.OrderBy(a => (a.Location - self.Location).LengthSquared)
 				.FirstOrDefault();
 		}

mods/ra/vehicles.yaml

@@ -390,7 +390,6 @@ SS:
 		Sight: 6
 		Speed: 6
 		WaterBound: yes
-		TargetType: Sub
 	RenderUnit:
 	Cloak:
 		InitialDelay: .4