[docs] Update docs to match actuall required settings to perform an unsafe u…#5609

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k8s-ci-robot merged 1 commit intokubernetes-sigs:masterfrom Flowkap:master

Feb 17, 2020

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Commits on Feb 7, 2020

UPdate docs to match actuall required settings to perform an unsafe upgrade using cluster.yml playbook. Relates to kubernetes-sigs#4736 and kubernetes-sigs#4139
Florian Kappes
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