Revert "misc: ignore some unusable block devices"
Revert "misc: ignore some unusable block devices"

ceph/teuthology,ktdreyer/teuthology,dmick/teuthology,SUSE/teuthology,dmick/teuthology,ceph/teuthology,SUSE/teuthology,SUSE/teuthology,ktdreyer/teuthology,dmick/teuthology