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

Grega Bremec 944b292448 remove unused bits from role		před 3 dny
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roles	944b292448 remove unused bits from role	před 3 dny
ansible.cfg	5ba72150ed copy and adapt playbook and roles to current env	před 3 dny
inventory.yml	31c3ca80c0 also remove all kubevirts	před 3 dny
pre-flight.yml	b94d91f122 remove irrelevant roles	před 3 dny