Remove vestigate HUDSON_PUBLISH_DOCS reference
Remove vestigate HUDSON_PUBLISH_DOCS reference

This isn't actually used and is a leftover from a thing we did
seven years ago that survives today through copy-pasta.

Change-Id: Ia05b11a59b2bca8caa7c64c3d2c9fe7e8552f519

openstack/neutron-lib,openstack/neutron-lib,openstack/neutron-lib,openstack/neutron-lib