drivers: don't let the driver wait for SSH/Docker

Waiting for SSH to start or Docker to be available is a step done
directly in the framework (in libmachine). There is no need for the
driver to do that.

Signed-off-by: Vincent Bernat <Vincent.Bernat@exoscale.ch>

drivers/openstack/openstack.go

@@ -369,9 +369,6 @@ func (d *Driver) Create() error {
 	if err := d.lookForIpAddress(); err != nil {
 		return err
 	}
-	if err := d.waitForSSHServer(); err != nil {
-		return err
-	}
 	return nil
 }