improvement: remove unnecessary attributes from os_hardening::pam

these are must likely leftover errors. they don't break anything, they just don't contribute anything useful either. remove them

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #4 from TelekomLabs/improvement/duplicate-params

improvement: remove unnecessary attributes from os_hardening::pam
Merge pull request #6 from ehaselwanter/master

add test-kitchen dependencies.
removed the openstack dependency (requested by project)
depend on new version to pull in tests into the default location. requires update of the test repo so pull that in first
update the lock file. this removes kitchen-openstack and updates kitchen-sharedtests