don't add faction for combat zone

EDPlayerJournal/BGS/CombatZone.cs

@@ -29,7 +29,6 @@ public class CombatZone : Transaction {
     }
 
     public override string ToString() {
-        return string.Format("Won {0} x {1} {2} Combat Zone(s) for {3}",
-            Amount, Grade, Type, Faction);
+        return string.Format("Won {0} x {1} {2} Combat Zone(s)", Amount, Grade, Type);
     }
 }