disable Centos Extras repo creation for OL9 (#9483)
disable Centos Extras repo creation for OL9 (#9483)

Centos 9 doesn't exists, and Centos 9-stream also doesn't have extras repo.
kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,Atoms/kubespray,Atoms/kubespray