clean up the zuul files

[goneri]

Depends-On: ansible/ansible-zuul-jobs#1401

See: ansible/ansible-zuul-jobs#1398

[goneri]

recheck

[softwarefactory-project-zuul]

Build failed.

• ansible-tox-linters : FAILURE in 4m 21s

[goneri]

recheck

[softwarefactory-project-zuul]

Zuul encountered a syntax error while parsing its configuration in the
repo ansible/ansible-zuul-jobs on branch master. The error was:

The nodeset "vyos-1.1.8-python38" was not found.

The error appears in the following job stanza:

job:
name: network-ee-integration-tests-ansible-network
parent: network-ee-integration-tests
vars:
test_ansible_skip_tags: local
collection_namespace: ansible
collection_name: network
# NOTE(pabelanger): We can only use RSA ssh keys for vyos.
test_fips_mode: false
nodeset: vyos-1.1.8-python38

in "ansible/ansible-zuul-jobs/zuul.d/ansible-network-jobs.yaml@master", line 6, column 3