Please review the following patch which resolves:
  * PKI Ticket #1492 - remove pki-proxy-setup
    <
https://fedorahosted.org/pki/ticket/1492>
Besides removing 'pki-proxy-setup', this patch actually removes the 
entire 'pki/base/setup' directory including the 'pkicommon.pm' shared 
Perl module as it is no longer needed.