Remove traces of kubernetes

k8s/pod/barbican-pod.yaml

k8s/pod/ceilometer-controller-pod.yaml

k8s/pod/glance-pod.yaml

k8s/pod/heat-pod.yaml

k8s/pod/horizon-pod.yaml

k8s/pod/keystone-pod.yaml

k8s/pod/mariadb-pod.yaml

k8s/pod/mongodb-pod.yaml

k8s/pod/neutron-network-pod.yaml

k8s/pod/neutron-server-pod.yaml

k8s/pod/nova-compute-pod.yaml

k8s/pod/nova-controller-pod.yaml

k8s/pod/rabbitmq-pod.yaml

k8s/pod/swift-pod.yaml

k8s/pod/zaqar-pod.yaml

k8s/replication/nova-compute-replication.yaml

k8s/service/barbican-admin-service.yaml

k8s/service/barbican-public-service.yaml

k8s/service/ceilometer-api-service.yaml

k8s/service/glance-api-service.yaml