Remove obsolete State class and DI registration

Removed the deprecated State class and its properties from the codebase. Also removed State from the dependency injection configuration, as it is no longer used.

EnvelopeGenerator.ServiceHost/Jobs/State.cs

@@ -1,13 +0,0 @@
-using DigitalData.Modules.Database;
-using EnvelopeGenerator.Domain.Entities;
-
-namespace EnvelopeGenerator.ServiceHost.Jobs;
-
-[Obsolete("Use DbContext")]
-public class State
-{
-    public int UserId { get; set; }
-    public FormUser? User { get; set; }
-    public Config? Config { get; set; }
-    public MSSQLServer? Database { get; set; }
-}