update vars needed for docker playbook.

group_vars/firstrun/main.yml

@@ -6,10 +6,6 @@
 ansible_user: "root"
 ansible_port: 22
 
-# The non-root user created/used for all future Ansible runs
-deploy_user: ansible
-deploy_user_shell: /bin/bash
-
 # SSH public keys granted access to deploy_user on every host
 deploy_user_ssh_keys:
   - "{{ ssh_key_ansible }}"