removing katello-foreman repo

No longer need the katello-foreman repo since we are part of Foreman
as an engine and rely on the upstream repos
Merge pull request #24 from mccun934/remove-kt-foreman

removing katello-foreman repo
fix katello-utils rpm dependencies
Merge pull request #25 from jmontleon/fixutilsrpmdeps

fix katello-utils rpm dependencies