This reverts commita941b3c33f. Stop creating the 'cosi' user in the CephObjectStore reconcile. This step often fails for some amount of time during initial object store creation, causing frequent user concern. It has also been the source of some reported failures that would otherwise be non-breaking for certain users. Signed-off-by: Blaine Gardner <blaine.gardner@ibm.com> (cherry picked from commitfc08e87d44)