Fixes #5628 - remove converted v1 API controllers and tests.

Remove all of the v1 controllers and tests that have already been
converted to v2 and are no longer used.
refs #3272 - fixing db/seeds.rb for katello, BZ 868910
Merge pull request #4368 from komidore64/rmi3272

refs #3272 - fixing db/seeds.rb for katello, BZ 868910
Merge pull request #4303 from waldenraines/5628

Fixes #5628 - remove converted v1 API controllers and tests.