remove cruft from task.py that is no longer needed
remove cruft from task.py that is no longer needed

Signed-off-by: Alfredo Deza <3f4d00ffa77e6441ab2d23c25a618925d2383b02@redhat.com>

ceph/mariner-installer,ceph/ceph-installer,ceph/ceph-installer,ceph/ceph-installer