Delete bugzilla sync sop, no longer needed.
    
    This has all been moved to toddlers, so any info about it can go in a
    toddler SOP. The scripts, hosts, and people mentioned here haven't been
    valid for a long time. ;)
    
    See also https://pagure.io/infra-docs-fpo/issue/27
    
    Signed-off-by: Kevin Fenzi <kevin@scrye.com>