Remove unused utils class

osu.Game/Utils/ScoreboardTimeUtils.cs

@@ -1,22 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-using osu.Game.Resources.Localisation.Web;
-
-#nullable enable
-
-namespace osu.Game.Utils
-{
-    public static class ScoreboardTimeUtils
-    {
-
-        private static string formatQuantity(string template, int quantity)
-        {
-            if (quantity <= 1)
-                return $@"{quantity}{template}";
-
-            return $@"{quantity}{template}s";
-        }
-    }
-}