Simplify release install process

Fix install on startup

src/Artemis.Storage/Entities/General/ReleaseEntity.cs

@@ -7,15 +7,5 @@ public class ReleaseEntity
     public Guid Id { get; set; }
     
     public string Version { get; set; }
-    public string ReleaseId { get; set; }
-    public ReleaseEntityStatus Status { get; set; }
     public DateTimeOffset? InstalledAt { get; set; }
-}
-
-public enum ReleaseEntityStatus
-{
-    Queued,
-    Installed,
-    Historical,
-    Unknown
 }