Fix TestMigrationToSeeminglyNestedTarget failing

osu.Game.Tournament/IO/TournamentStorage.cs

@@ -52,9 +52,6 @@ namespace osu.Game.Tournament.IO
             var destination = new DirectoryInfo(GetFullPath(default_tournament));
             var cfgDestination = new DirectoryInfo(GetFullPath(default_tournament + Path.DirectorySeparatorChar + config_directory));
 
-            // if (!destination.Exists)
-            //     destination.Create();
-
             if (source.Exists)
             {
                 Logger.Log("Migrating tournament assets to default tournament storage.");

osu.Game/IO/MigratableStorage.cs

@@ -53,7 +53,7 @@ namespace osu.Game.IO
         {
             // based off example code https://docs.microsoft.com/en-us/dotnet/api/system.io.directoryinfo
             if (!destination.Exists)
-            Directory.CreateDirectory(destination.FullName);
+                Directory.CreateDirectory(destination.FullName);
 
             foreach (System.IO.FileInfo fi in source.GetFiles())
             {

osu.Game/IO/OsuStorage.cs

@@ -55,8 +55,6 @@ namespace osu.Game.IO
             {
                 if (destination.GetFiles().Length > 0 || destination.GetDirectories().Length > 0)
                     throw new ArgumentException("Destination provided already has files or directories present", nameof(newLocation));
-
-                deleteRecursive(destination);
             }
 
             copyRecursive(source, destination);