Remove setting for right-mouse scroll (make it always applicable)

osu.Game/Configuration/OsuConfigManager.cs

@@ -170,8 +170,6 @@ namespace osu.Game.Configuration
             SetDefault(OsuSetting.ScreenshotFormat, ScreenshotFormat.Jpg);
             SetDefault(OsuSetting.ScreenshotCaptureMenuCursor, false);
 
-            SetDefault(OsuSetting.SongSelectRightMouseScroll, false);
-
             SetDefault(OsuSetting.Scaling, ScalingMode.Off);
             SetDefault(OsuSetting.SafeAreaConsiderations, true);
             SetDefault(OsuSetting.ScalingBackgroundDim, 0.9f, 0.5f, 1f, 0.01f);
@@ -401,7 +399,6 @@ namespace osu.Game.Configuration
         Skin,
         ScreenshotFormat,
         ScreenshotCaptureMenuCursor,
-        SongSelectRightMouseScroll,
         BeatmapSkins,
         BeatmapColours,
         BeatmapHitsounds,

osu.Game/Overlays/Settings/Sections/UserInterface/SongSelectSettings.cs

@@ -19,12 +19,6 @@ namespace osu.Game.Overlays.Settings.Sections.UserInterface
         {
             Children = new Drawable[]
             {
-                new SettingsCheckbox
-                {
-                    ClassicDefault = true,
-                    LabelText = UserInterfaceStrings.RightMouseScroll,
-                    Current = config.GetBindable<bool>(OsuSetting.SongSelectRightMouseScroll),
-                },
                 new SettingsCheckbox
                 {
                     LabelText = UserInterfaceStrings.ShowConvertedBeatmaps,

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -184,8 +184,6 @@ namespace osu.Game.Screens.Select
         private readonly Cached itemsCache = new Cached();
         private PendingScrollOperation pendingScrollOperation = PendingScrollOperation.None;
 
-        public Bindable<bool> RightClickScrollingEnabled = new Bindable<bool>();
-
         public Bindable<RandomSelectAlgorithm> RandomAlgorithm = new Bindable<RandomSelectAlgorithm>();
         private readonly List<CarouselBeatmapSet> previouslyVisitedRandomSets = new List<CarouselBeatmapSet>();
         private readonly List<CarouselBeatmap> randomSelectedBeatmaps = new List<CarouselBeatmap>();
@@ -210,6 +208,7 @@ namespace osu.Game.Screens.Select
                     setPool,
                     Scroll = new CarouselScrollContainer
                     {
+                        RightMouseScrollbar = true,
                         RelativeSizeAxes = Axes.Both,
                     },
                     noResultsPlaceholder = new NoResultsPlaceholder()
@@ -226,9 +225,6 @@ namespace osu.Game.Screens.Select
             randomSelectSample = audio.Samples.Get(@"SongSelect/select-random");
 
             config.BindWith(OsuSetting.RandomSelectAlgorithm, RandomAlgorithm);
-            config.BindWith(OsuSetting.SongSelectRightMouseScroll, RightClickScrollingEnabled);
-
-            RightClickScrollingEnabled.BindValueChanged(enabled => Scroll.RightMouseScrollbar = enabled.NewValue, true);
 
             detachedBeatmapSets = beatmaps.GetBeatmapSets(cancellationToken);
             detachedBeatmapSets.BindCollectionChanged(beatmapSetsChanged);