This change fixes the following lint errors discovered since we removed
pin of lint packages.
manifests/config.pp:20:WARNING: Duplicate class parameter documentation
for freezer::config::freezer_config
manifests/config.pp:7:WARNING: Duplicate class parameter documentation
for freezer::config::freezer_config
manifests/init.pp:7:WARNING: No matching class parameter for
documentation of freezer::sample_parameter
Change-Id: I4f4c5688f60bfe9161f4a4827f8ebe1bc6d1b8f6