Cleanup UpgradeAuditInstanceCommand

Author: danielmarbach

src/ServiceControl.Config/Commands/UpgradeAuditInstanceCommand.cs

@@ -7,7 +7,6 @@
     using Framework;
     using Framework.Commands;
     using Framework.Modules;
-    using ServiceControlInstaller.Engine.Configuration.ServiceControl;
     using ServiceControlInstaller.Engine.Instances;
     using ServiceControlInstaller.Engine.ReportCard;
     using UI.InstanceDetails;