Fix code quality

Author: frenzibyte

osu.Game.Tests/Visual/Online/TestSceneImageProxying.cs

@@ -3,21 +3,16 @@
 
 using System.Linq;
 using NUnit.Framework;
-using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers.Markdown;
 using osu.Framework.Graphics.Sprites;
-using osu.Framework.Platform;
 using osu.Framework.Testing;
 using osu.Game.Graphics.Containers.Markdown;
 
 namespace osu.Game.Tests.Visual.Online
 {
     public partial class TestSceneImageProxying : OsuTestScene
     {
-        [Resolved]
-        private GameHost host { get; set; } = null!;
-
         [Test]
         public void TestExternalImageLink()
         {

osu.Game/Audio/PreviewTrackManager.cs

@@ -9,7 +9,6 @@
 using osu.Framework.Logging;
 using osu.Game.Beatmaps;
 using osu.Game.Online;
-using osu.Game.Online.API;
 
 namespace osu.Game.Audio
 {
@@ -29,9 +28,9 @@ public PreviewTrackManager(IAdjustableAudioComponent mainTrackAdjustments)
         }
 
         [BackgroundDependencyLoader]
-        private void load(AudioManager audioManager, IAPIProvider api)
+        private void load(AudioManager audioManager)
         {
-            trackStore = audioManager.GetTrackStore(new OsuOnlineStore(api.Endpoints.APIUrl));
+            trackStore = audioManager.GetTrackStore(new OsuOnlineStore());
         }
 
         /// <summary>

osu.Game/Online/OsuOnlineStore.cs

@@ -9,13 +9,6 @@ namespace osu.Game.Online
 {
     public class OsuOnlineStore : OnlineStore
     {
-        private readonly string apiEndpointUrl;
-
-        public OsuOnlineStore(string apiEndpointUrl)
-        {
-            this.apiEndpointUrl = apiEndpointUrl;
-        }
-
         protected override string GetLookupUrl(string url)
         {
             if (!Uri.TryCreate(url, UriKind.Absolute, out Uri? uri) || !uri.Host.EndsWith(@".ppy.sh", StringComparison.OrdinalIgnoreCase))

osu.Game/OsuGameBase.cs

@@ -108,7 +108,7 @@ public partial class OsuGameBase : Framework.Game, ICanAcceptFiles, IBeatSyncPro
         public virtual EndpointConfiguration CreateEndpoints() =>
             UseDevelopmentServer ? new DevelopmentEndpointConfiguration() : new ProductionEndpointConfiguration();
 
-        protected override OnlineStore CreateOnlineStore() => new OsuOnlineStore(CreateEndpoints().APIUrl);
+        protected override OnlineStore CreateOnlineStore() => new OsuOnlineStore();
 
         public virtual Version AssemblyVersion => Assembly.GetEntryAssembly()?.GetName().Version ?? new Version();