Remove the postponement message from Baltimore.
Remove the postponement message from Baltimore.

We are well past when the event was originally scheduled.  No need to
call out the fact that it was rescheduled anymore.

Signed-off-by: Nathen Harvey <f3cabdeba0e84594589839e3e1ff17618f7c11d9@chef.io>

gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web