Remove EF helper methods

osu.Game/Database/EntityFrameworkLive.cs

@@ -1,41 +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;
-
-#nullable enable
-
-namespace osu.Game.Database
-{
-    public class EntityFrameworkLive<T> : ILive<T> where T : class
-    {
-        public EntityFrameworkLive(T item)
-        {
-            IsManaged = true; // no way to really know.
-            Value = item;
-        }
-
-        public Guid ID => throw new InvalidOperationException();
-
-        public void PerformRead(Action<T> perform)
-        {
-            perform(Value);
-        }
-
-        public TReturn PerformRead<TReturn>(Func<T, TReturn> perform)
-        {
-            return perform(Value);
-        }
-
-        public void PerformWrite(Action<T> perform)
-        {
-            perform(Value);
-        }
-
-        public bool IsManaged { get; }
-
-        public T Value { get; }
-
-        public bool Equals(ILive<T>? other) => ID == other?.ID;
-    }
-}

osu.Game/Database/EntityFrameworkLiveExtensions.cs

@@ -1,14 +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.
-
-namespace osu.Game.Database
-{
-    public static class EntityFrameworkLiveExtensions
-    {
-        public static ILive<T> ToEntityFrameworkLive<T>(this T item)
-            where T : class
-        {
-            return new EntityFrameworkLive<T>(item);
-        }
-    }
-}