Host always shows as "mech" when running "mech ssh-config" command

[mkinney]

When you run the mech ssh-config command, it always shows the host as mech.

For instance:

$ mech ssh-config centos8
Host mech
  User vagrant
  Port 22
  UserKnownHostsFile /dev/null
  StrictHostKeyChecking no
  PasswordAuthentication no
  IdentityFile /Users/mikekinney/.mech/insecure_private_key
  IdentitiesOnly yes
  LogLevel FATAL
  HostName 192.168.2.219