tests: make the centos7-mon-osd scenario use raw_multi_journal
tests: make the centos7-mon-osd scenario use raw_multi_journal

Signed-off-by: Andrew Schoen <aschoen@redhat.com>

Resolves: vagrant#boxes

WingkaiHo/ceph-ansible,jtaleric/ceph-ansible,font/ceph-ansible,font/ceph-ansible,jtaleric/ceph-ansible,WingkaiHo/ceph-ansible,travmi/ceph-ansible,guits/ceph-ansible,jsaintrocc/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible,travmi/ceph-ansible,albertomurillo/ceph-ansible,WingkaiHo/ceph-ansible,ceph/ceph-ansible,bengland2/ceph-ansible,albertomurillo/ceph-ansible,fgal/ceph-ansible,guits/ceph-ansible,bengland2/ceph-ansible,jsaintrocc/ceph-ansible,albertomurillo/ceph-ansible