ceph::osd::device: fix some puppet-lint errors/warnings

Signed-off-by: Danny Al-Gaaf <d.al-gaaf@telekom.de>
ceph::conf: fix whitespace warnings from puppet-lint

Signed-off-by: Danny Al-Gaaf <d.al-gaaf@telekom.de>
ceph::key: fix puppet-lint errors/warnings

Signed-off-by: Danny Al-Gaaf <d.al-gaaf@telekom.de>