Class leader fixes

SVSim.Database/Models/DefaultLeaderSkinSettingEntry.cs

@@ -1,13 +0,0 @@
-using SVSim.Database.Common;
-
-namespace SVSim.Database.Models;
-
-/// <summary>One row per class: which leader skin is default and whether random rotation is on.</summary>
-public class DefaultLeaderSkinSettingEntry : BaseEntity<int>
-{
-    public int ClassId { get => Id; set => Id = value; }
-
-    public int IsRandomLeaderSkin { get; set; }
-
-    public int LeaderSkinId { get; set; }
-}