Simplified .Contains/.Add use

Libraries/SPTarkov.Server.Core/Services/BackupService.cs

@@ -58,7 +58,7 @@ public class BackupService
         }
 
         _backupIntervalTimer = new Timer(
-            async _ =>
+            async void (_) =>
             {
                 try
                 {

Libraries/SPTarkov.Server.Core/Services/LocationLifecycleService.cs

@@ -210,13 +210,10 @@ public class LocationLifecycleService(
             if (configHostilityChanges.AdditionalEnemyTypes is not null)
             {
                 foreach (var enemyTypeToAdd in configHostilityChanges.AdditionalEnemyTypes)
-                {
-                    if (!locationBotHostilityDetails.AlwaysEnemies.Contains(enemyTypeToAdd))
                 {
                     locationBotHostilityDetails.AlwaysEnemies.Add(enemyTypeToAdd);
                 }
             }
-            }
 
             // Add/edit chance settings
             if (configHostilityChanges.ChancedEnemies is not null)
@@ -246,13 +243,10 @@ public class LocationLifecycleService(
             {
                 locationBotHostilityDetails.AlwaysFriends = [];
                 foreach (var friendlyTypeToAdd in configHostilityChanges.AdditionalFriendlyTypes)
-                {
-                    if (!locationBotHostilityDetails.AlwaysFriends.Contains(friendlyTypeToAdd))
                 {
                     locationBotHostilityDetails.AlwaysFriends.Add(friendlyTypeToAdd);
                 }
             }
-            }
 
             // Adjust vs bear hostility chance
             if (configHostilityChanges.BearEnemyChance is not null)