fix copy-paste error

howto/retire-a-host.md

@@ -238,7 +238,7 @@ TODO: remove the client from the Bacula catalog, see <https://gitlab.torproject.
 
 Equivalent retirement checklist to copy-paste in retirement tickets:
 
- 1. [ ] announcement (checked in with @jnewsome on IRC quickly)
+ 1. [ ] announcement
  2. [ ] nagios
  3. [ ] stop the VM in advance:
  4. [ ] retire the host in fabric