Cleanup tests (#8234)

tests/files/packet_centos8-calico-ha-ebpf.yml

tests/files/packet_centos8-calico-nodelocaldns-secondary.yml

tests/files/packet_centos8-calico.yml

tests/files/packet_centos8-crio.yml

tests/files/packet_centos8-docker.yml

tests/files/packet_centos8-kube-ovn.yml

tests/files/packet_debian10-aio.yml

tests/files/packet_debian10-calico-upgrade-once.yml

tests/files/packet_debian10-calico-upgrade.yml

tests/files/packet_debian10-cilium-svc-proxy.yml

tests/files/packet_debian10-docker.yml

tests/files/packet_debian11-calico.yml

tests/files/packet_debian11-docker.yml

tests/files/packet_debian9-macvlan.yml

tests/files/packet_fedora33-calico.yml

tests/files/packet_fedora34-calico-selinux.yml

tests/files/packet_fedora34-docker-weave.yml

tests/files/packet_fedora34-kube-ovn.yml

tests/files/packet_fedora35-kube-router.yml

tests/files/packet_opensuse-canal.yml