Remove "leftover files" notification when migration partly fails

osu.Game/Localisation/MaintenanceSettingsStrings.cs

@@ -34,11 +34,6 @@ public static class MaintenanceSettingsStrings
         /// </summary>
         public static LocalisableString ProhibitedInteractDuringMigration => new TranslatableString(getKey(@"prohibited_interact_during_migration"), @"Please avoid interacting with the game!");
 
-        /// <summary>
-        /// "Some files couldn't be cleaned up during migration. Clicking this notification will open the folder so you can manually clean things up."
-        /// </summary>
-        public static LocalisableString FailedCleanupNotification => new TranslatableString(getKey(@"failed_cleanup_notification"), @"Some files couldn't be cleaned up during migration. Clicking this notification will open the folder so you can manually clean things up.");
-
         /// <summary>
         /// "Please select a new location"
         /// </summary>

osu.Game/OsuGameBase.cs

@@ -515,6 +515,12 @@ public virtual void AttemptExit()
         /// <returns>Whether a restart operation was queued.</returns>
         public virtual bool RestartAppWhenExited() => false;
 
+        /// <summary>
+        /// Perform migration of user data to a specified path.
+        /// </summary>
+        /// <param name="path">The path to migrate to.</param>
+        /// <returns>Whether migration succeeded to completion. If <c>false</c>, some files were left behind.</returns>
+        /// <exception cref="TimeoutException"></exception>
         public bool Migrate(string path)
         {
             Logger.Log($@"Migrating osu! data from ""{Storage.GetFullPath(string.Empty)}"" to ""{path}""...");
@@ -542,10 +548,10 @@ public bool Migrate(string path)
                 if (!readyToRun.Wait(30000) || !success)
                     throw new TimeoutException("Attempting to block for migration took too long.");
 
-                bool? cleanupSucceded = (Storage as OsuStorage)?.Migrate(Host.GetStorage(path));
+                bool? cleanupSucceeded = (Storage as OsuStorage)?.Migrate(Host.GetStorage(path));
 
                 Logger.Log(@"Migration complete!");
-                return cleanupSucceded != false;
+                return cleanupSucceeded != false;
             }
             finally
             {

osu.Game/Overlays/Settings/Sections/Maintenance/MigrationRunScreen.cs

@@ -6,17 +6,14 @@
 using System.IO;
 using System.Threading.Tasks;
 using osu.Framework.Allocation;
-using osu.Framework.Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Logging;
-using osu.Framework.Platform;
 using osu.Framework.Screens;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Localisation;
-using osu.Game.Overlays.Notifications;
 using osu.Game.Screens;
 using osuTK;
 
@@ -29,15 +26,6 @@ public partial class MigrationRunScreen : OsuScreen
         [Resolved(canBeNull: true)]
         private OsuGame game { get; set; }
 
-        [Resolved]
-        private INotificationOverlay notifications { get; set; }
-
-        [Resolved]
-        private Storage storage { get; set; }
-
-        [Resolved]
-        private GameHost host { get; set; }
-
         public override bool AllowBackButton => false;
 
         public override bool AllowExternalScreenChange => false;
@@ -99,27 +87,13 @@ protected override void LoadComplete()
 
             Beatmap.Value = Beatmap.Default;
 
-            var originalStorage = new NativeStorage(storage.GetFullPath(string.Empty), host);
-
             migrationTask = Task.Run(PerformMigration)
                                 .ContinueWith(task =>
                                 {
                                     if (task.IsFaulted)
                                     {
                                         Logger.Error(task.Exception, $"Error during migration: {task.Exception?.Message}");
                                     }
-                                    else if (!task.GetResultSafely())
-                                    {
-                                        notifications.Post(new SimpleNotification
-                                        {
-                                            Text = MaintenanceSettingsStrings.FailedCleanupNotification,
-                                            Activated = () =>
-                                            {
-                                                originalStorage.PresentExternally();
-                                                return true;
-                                            }
-                                        });
-                                    }
 
                                     Schedule(this.Exit);
                                 });