Fix GUN death cause shows twice the Instigator name

Author: DiFFoZ

OpenDeathMessages/translations.yaml

@@ -38,7 +38,7 @@ deathCause:
   burning: "{Victim.DisplayName} was burned to death"
   food: "{Victim.DisplayName} was starved to death"
   water: "{Victim.DisplayName} was dehydrated to death"
-  gun: "{Victim.DisplayName} was shot in the {Limb} {Instigator:choose(null):|by {DisplayName}} {Instigator:choose(null):|by {DisplayName}} {Instigator:choose(null):|{Player.Player.equipment.asset:choose(null):unknow|with a {itemName}}}"
+  gun: "{Victim.DisplayName} was shot in the {Limb} {Instigator:choose(null):|by {DisplayName}} {Instigator:choose(null):|{Player.Player.equipment.asset:choose(null):unknow|with a {itemName}}}"
   melee: "{Victim.DisplayName} was chopped in the {Limb} {Instigator:choose(null):|by {DisplayName}} {Instigator:choose(null):|by {DisplayName}} {Instigator:choose(null):|{Player.Player.equipment.asset:choose(null):unknow|with a {itemName}}}"
   zombie: "{Victim.DisplayName} was mauled by a zombie"
   animal: "{Victim.DisplayName} was mauled by an animal"