In prep for neutron-lib 0.4.0 we found there are 2 new hacking
checks in neutron-lib that will impact consumers who use our
neutron_lib.hacking.checks.factory() function to register hacking
checks. For example, networking-ovn master pep8 with neutron-lib
master fails. For more discussion please see [1]
This patch removes (reverts) these 2 new hacking checks from being
registered via our factory(). The check functions are still in the module
but don't get registered via factory() and thus don't break consumers.
This patch should be reverted after 0.4.0 releases.
Looking forward we'll solidify our hacking check approach with
something like [2].
[1] https://review.openstack.org/#/c/360590/
[2] https://review.openstack.org/#/c/350723/
Change-Id: Id55a64279a7904ca7f7e35fcbd36a8f6926482cd