These rbac changes were introduced as part of #11845 PR to enable
sidecar accessing mgr pods but in fact they are not necessary
as rook-ceph-mgr role had already the ability to update pods
Closes: https://github.com/rook/rook/issues/12336
Signed-off-by: Redouane Kachach <rkachach@redhat.com>
(cherry picked from commit 08754f6197)