Fix two typos in the remote fetch script.
Fix two typos in the remote fetch script.

The default values for locations were wrong.
The config file name is remotes.config.
The git repos are in /home/gerrit2/review_site/git.

Change-Id: Ie887b2424e3ee50f802573e147cd4751e390d3e8

open-switch/infra_puppet-jenkins,open-switch/infra_puppet-jenkins