Revert "Change ACF File to just be deleted and left for regeneration …

…each launch"

This reverts commit 9b007c2.

patches/tModLoader/Terraria/Social/Steam/SteamedWraps.cs

@@ -340,22 +340,18 @@ public static void BeginPlaytimeTracking()
 
 	internal static void OnGameExitCleanup()
 	{
-		// PATH/Steamapps/workshop
-		string workshopFolder = WorkshopHelper.GetWorkshopFolder(ModLoader.Engine.Steam.TMLAppID_t);
-		// Steamapps/workshop/appworkshop_1281930.acf
-		string targetACF = Path.Combine(workshopFolder, $"appworkshop_{ModLoader.Engine.Steam.TMLAppID}.acf");
+		if (!SteamAvailable) {
+			CleanupACF();
+			return;
+		}
 
-		if (SteamClient)
+		if (SteamClient) {
 			SteamAPI.Shutdown();
-		else if (SteamAvailable)
-			GameServer.Shutdown();
-
-		if (!File.Exists(targetACF)) {
-			Logging.tML.Error($"Unable to locate tmodloader steam acf. Expected path: {targetACF}");
 			return;
 		}
 
-		File.Delete(targetACF);
+		GameServer.Shutdown();
+		CleanupACF();
 	}
 
 	public static uint GetWorkshopItemState(PublishedFileId_t publishId)
@@ -400,6 +396,18 @@ public static void UninstallWorkshopItem(PublishedFileId_t publishId, string ins
 
 		// Remove the files
 		Directory.Delete(installPath, true);
+
+		if (!SteamClient)
+			// Steam Game Server has to be terminated before the ACF file is modified, so we defer cleanup to end of game likse steam client.
+			deletedItems.Add(publishId);
+	}
+
+	private static List<PublishedFileId_t> deletedItems = new List<PublishedFileId_t>();
+
+	private static void CleanupACF()
+	{
+		foreach (var item in deletedItems)
+			UninstallACF(item);
 	}
 
 	private static void UninstallACF(PublishedFileId_t publishId)