Remove final from publish-zuul-website
The zuul-website repo inherits from this job.  Since the job is
post-review (due to secrets), and only allowed by zuul-website,
it should be safe enough to permit this.
name: publish-zuul-website
description: |
Publishes content in artifacts/ to the Zuul website.
- # Set final to avoid override of afs_subpath variable.
- final: True
allowed-projects:
- openstack-infra/zuul-website
post-run:
