add two missing steps for the alternative procedure

tsa/howto/retire-a-host.mdwn

@@ -199,3 +199,11 @@ When you return:
 
  8. remove from DNSwl
 
+ 9. remove from the machine from this wiki (if present in
+     documentation), the [Nextcloud spreadsheet](https://nc.torproject.net/apps/onlyoffice/5395), and, if it's an
+     entire service, the [services page](https://trac.torproject.org/projects/tor/wiki/org/operations/services)
+ 10. if it's a physical machine or a virtual host we don't control,
+     schedule removal from racks or hosts with upstream
+
+TODO: remove the client from the Bacula catalog, see <https://trac.torproject.org/projects/tor/ticket/30880>.
+