revert calico-related changes

...s/kubernetes-apps/policy_controller/calico/tasks/main.yml

...calico/templates/calico-policy-controller-clusterrole.yml

...templates/calico-policy-controller-clusterrolebinding.yml

...ntroller/calico/templates/calico-policy-controller-sa.yml

...ntroller/calico/templates/calico-policy-controller.yml.j2

roles/kubespray-defaults/defaults/main.yaml

roles/network_plugin/calico/tasks/main.yml

...twork_plugin/calico/templates/calico-node-clusterrole.yml

...lugin/calico/templates/calico-node-clusterrolebinding.yml