Remove keypair and private key from pkrvars example

openstack.pkrvars.hcl.example

@@ -22,7 +22,3 @@ auto_accept_members = false
 image_tags = []
 # The username to connect to SSH with. Used by Packer build section
 ssh_username = "centos"
-# Key that will be used for SSH with the machine. Must match key pair name loaded up into the remote.
-ssh_keypair_name = ""
-# Path to the private key file to use to authenticate with SSH.
-ssh_private_key_file = ""