fix cops in theforeman-rubocop users

[archanaserver]

• [x] https://github.com/theforeman/foreman_remote_execution/pull/848
• [x] https://github.com/theforeman/foreman_maintain/pull/789
• [x] https://github.com/theforeman/ldap_fluff/pull/74
• [x] https://github.com/theforeman/foreman_discovery/pull/614
• [x] https://github.com/theforeman/puppetdb_foreman/pull/85
• [x] https://github.com/theforeman/foreman_salt/pull/191
• [x] https://github.com/theforeman/foreman_bootdisk/pull/153
• [x] https://github.com/theforeman/foreman_puppet/pull/380
• [x] https://github.com/theforeman/foreman_fog_proxmox/pull/330
• [x] https://github.com/theforeman/foreman_google/pull/73
• [x] https://github.com/theforeman/foreman_leapp/pull/141
• [x] https://github.com/theforeman/foreman_templates/pull/185

[ehelms]

All associated PRs are now closed, thanks @archanaserver for driving this!