(PUP-880) Remove localconfig setting

The localconfig setting wasn't used anywhere so remove it, including
references in sample puppet.conf files for various distros.

This commit also includes an update for the man pages. This hadn't
been done recently so some of the man page updates reflect previous
changes.
Merge pull request #3265 from kylog/issue/pup-880/remove-localconfig-setting

(PUP-880) Remove localconfig setting