Resolves: rhbz#1574778 - sssd fails to download known_hosts from freeipa
    
    Patch 0018-sysdb-custom-completely-replace-old-object-instead-o.patch
    caused a regression, caught by lslebodn and reported by a few users.
    
    Let's comment out this patch for now and uncomment it when we have a fix
    that do not cause a regression.
    
    Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
    (cherry picked from commit 5254cdcca50981ebf771ae59dd99994e8916e071)
    (cherry picked from commit c715b8d6609594df888cfffee849d50c02c6b211)
    (cherry picked from commit 35934cf3ef8797903667388dbc7b8fa19c6756f4)