Merge pull request #19939 from liewegas/wip-osd-new-class

mon,osd: do not use crush_device_class file to initalize class for new osds

Reviewed-by: Alfredo Deza <adeza@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>
Reviewed-by: Andrew Schoen <aschoen@redhat.com>

diff --cc doc/man/8/ceph.rst
Simple merge

diff --cc qa/workunits/cephtool/test.sh
Simple merge

diff --cc src/crush/CrushWrapper.h
Simple merge

diff --cc src/mon/OSDMonitor.cc
Simple merge

diff --cc src/mon/OSDMonitor.h
Simple merge