Fix deployment of ceph-nfs container failing due to wrong USER
Fix deployment of ceph-nfs container failing due to wrong USER

The startup script requires to be run as root, not ceph.
All other ceph images follow this rule.

Also removed redundant blank line.

Change-Id: I1d69ec0ca97dbbacccfe737fca03c9739244b900
Signed-off-by: Radosław Piliszek <8759e5988b55949fdf66960d1c0fc9651a951f3b@gmail.com>

openstack/kolla,rahulunair/kolla,rahulunair/kolla,openstack/kolla,stackforge/kolla,stackforge/kolla,stackforge/kolla