remove old envelope srrvice dependencies

EnvelopeGenerator.Web/Controllers/EnvelopeController.cs

@@ -1,6 +1,4 @@
-using EnvelopeGenerator.CommonServices;
-using EnvelopeGenerator.Web.Services;
-using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using EnvelopeGenerator.Application.Extensions;
 using EnvelopeGenerator.Application.Interfaces.Services;
@@ -98,7 +96,7 @@ public class EnvelopeController : ControllerBase
             {
                 _logger.LogEnvelopeError(uuid: uuid, signature: signature, message: "Unexpected error happend in api/envelope/reject");
                 _logger.LogNotice(ntc);
-                return this.ViewInnerServiceError();
+                return StatusCode(500, mssg);
             });
     }
 }