Comment 5 for bug 1488009

1) As I wrote we use automated tests, we can't change anything in boot loader command line
2) We are part of Mirantis and we test ISOs built by Mirantis as QA, we don't need any sort of custom iso
3) Do you read carefully my first message? We already doing it - delete /root/.showfuelmenu and now also /etc/fuel/bootstrap_admin_node.conf