Remove duplicate shib2 hash element
Remove duplicate shib2 hash element

Prevents warning under Puppet 4:

     The key 'shib2' is declared more than once at modules/apache/manifests/params.pp:241:21

buzzdeee/puppetlabs-apache,eputnam/puppetlabs-apache,bmjen/puppetlabs-apache,dzmitryv/puppetlabs-apache,svanhart/puppetlabs-apache,eputnam/puppetlabs-apache,svanhart/puppetlabs-apache,guegue/puppetlabs-apache,dzmitryv/puppetlabs-apache,buzzdeee/puppetlabs-apache,gerhardsam/puppetlabs-apache,traylenator/puppetlabs-apache,traylenator/puppetlabs-apache,puppetlabs/puppetlabs-apache,digitalmediacenter/puppetlabs-apache,guegue/puppetlabs-apache,yakatz/puppetlabs-apache,digitalmediacenter/puppetlabs-apache,yakatz/puppetlabs-apache,gerhardsam/puppetlabs-apache,puppetlabs/puppetlabs-apache,bmjen/puppetlabs-apache