Update .fixtures.yml to use puppetlabs/inifile
Update .fixtures.yml to use puppetlabs/inifile

Change-Id: Ifb6b85dd403b79ea5a9a4f7f2fcc66e68a96c1f5

imcsk8/puppet-ceilometer,matthewfischer/puppet-ceilometer,redhat-cip/puppet-ceilometer-old,aquto/puppet-ceilometer,gwdg/puppet-ceilometer