removed more dead code

Emby.Server.Implementations/Security/RegRecord.cs

@@ -1,12 +0,0 @@
-using System;
-
-namespace Emby.Server.Implementations.Security
-{
-    class RegRecord
-    {
-        public string featId { get; set; }
-        public bool registered { get; set; }
-        public DateTime expDate { get; set; }
-        public string key { get; set; }
-    }
-}