pbr: Remove unused translation sections from setup.cfg

Patrole doesn't have a translation infrastructure, so this is
to remove translation sections from the setup.cfg; these
sections are the same as those documented under:

https://docs.openstack.org/infra/manual/creators.html#python-projects

Change-Id: If2efd6e462933d0d192e331d12f0798ddf12ce46
1 file changed