rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ 944b292448cc7d73a6091b31a12717c661d2901d

Grega Bremec 944b292448 remove unused bits from role		hace 1 mes
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roles	944b292448 remove unused bits from role	hace 1 mes
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	hace 1 mes
inventory.yml	31c3ca80c0 also remove all kubevirts	hace 1 mes
pre-flight.yml	b94d91f122 remove irrelevant roles	hace 1 mes