KRA: do not stop certmonger during standalone uninstall

https://fedorahosted.org/freeipa/ticket/5477

Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>

ipaserver/install/kra.py

@@ -107,6 +107,6 @@ def uninstall(standalone):
         except errors.NotFound:
             pass
 
-    kra.stop_tracking_certificates()
+    kra.stop_tracking_certificates(stop_certmonger=not standalone)
     if kra.is_installed():
         kra.uninstall()