improvement: remove more_clear_headers, if we use nginx repo
improvement: remove more_clear_headers, if we use nginx repo

Rockstar04/chef-nginx-hardening,dev-sec/chef-nginx-hardening,Rockstar04/chef-nginx-hardening,hardening-io/chef-nginx-hardening,dev-sec/chef-nginx-hardening,hardening-io/chef-nginx-hardening