rht/ocp-ing-ichp-materials: Playbooks and other exercise collaterals for ING ICHP training @ bbf2ca97f0157067c4a9774deffaff96ba4f11e3

Grega Bremec bbf2ca97f0 remove operator namespace if so requested		3 mesi fa
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check-env	5ba72150ed copy and adapt playbook and roles to current env	3 mesi fa
fix-operators	63bb4462f2 add do370 catalog to list of removed	3 mesi fa
remove-operators	bbf2ca97f0 remove operator namespace if so requested	3 mesi fa