Do not display skipped hosts/tasks. (#5620)
Do not display skipped hosts/tasks. (#5620)

Replace deprecated callback plugin `skippy` with `default`, which
also supports ignoring skipped hosts.
Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kargo,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-incubator/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,kubernetes-incubator/kargo,Atoms/kubespray