This job is marked as experimental in project-config and don't believe
anybody is actively maintaining it. Remove it as we are planning on
deleting fedora-27 nodes. People are free to add back the testing on
fedora, but we should be switching to tempest based zuul job.
Change-Id: I6924c18dedc0a80f80aa519d1a57b11ca558a3e0
Depends-On: https://review.openstack.org/588388
Signed-off-by: Paul Belanger <pabelanger@redhat.com>