badges: Retire Badges sysadmin SOP guide
This document was relocated to the other Fedora Badges documentation in
order to keep all Badges-related information (design, development, and
ops documentation) together in one place. The Fedora Community will
maintain the SOP in the Badges docs site, as upcoming planned changes to
the deployment happen in Summer 2020.
So, this commit removes the now duplicated text and points an interested
reader at the new home.
Signed-off-by: Justin W. Flory <git@jwf.io>