Hi @krajciovka - you must using on older version of Grafana because based community response, we didn’t actually deprecate the Organizations feature! You can check out @torkel’s notes on this here:
If you upgrade to the latest version of Grafana you will not see it. If you are unable to upgrade - simply disregard the message. To learn more about teams check out our Permissions and Manage Users sections of the docs:
Apologies for the confusion, and thank you for posting.