Remove system-config project config
This has been moved in-repo.  Keep the queue membership here
for easy reference.
Depends-On:
- project:
name: openstack-infra/system-config
- templates:
- - infra-puppet-apply-jobs
- - infra-logstash-filter-jobs
- - publish-tox-docs-infra
- check:
- jobs:
- - tox-linters
- - legacy-system-config-puppet-syntax-3
gate:
queue: system-config
- jobs:
- - tox-linters
- - legacy-system-config-puppet-syntax-3
- project:
name: openstack-infra/yaml2ical
