eventlogging: fix lint errors

fixing some
operations-puppet-puppetlint-lenient FAILURE
i see when submitting unrelated stuff to jenkins

Change-Id: I3121cba0279855c68336e803914e9e91dd860fae
02:45:24 ./manifests/role/eventlogging.pp:146 ERROR two-space soft tabs not used (2sp_soft_tabs)
02:45:24 ./manifests/role/eventlogging.pp:147 ERROR two-space soft tabs not used (2sp_soft_tabs)
02:45:24 ./manifests/role/eventlogging.pp:148 ERROR two-space soft tabs not used (2sp_soft_tabs)
02:45:26 ./manifests/role/eventlogging.pp:149 ERROR two-space soft tabs not used (2sp_soft_tabs)
02:45:26 ./manifests/role/eventlogging.pp:150 ERROR two-space soft tabs not used (2sp_soft_tabs)