Strip off trailing period of a user-provided FQDN in installer
The example text included a trailing dot which isn't actually
allowed in a system hostname (just DNS). Remove the suggestion
to include it and strip off any trailing dot so that the install
can proceed.
Related: https://pagure.io/freeipa/issue/9111
Signed-off-by: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>