Obsolete ceph-libcephfs
Correct the name of the obsoleted package. It used to be called
"ceph-libcephfs" and not "libcephfs".
Transaction check error:
file /usr/lib64/libcephfs.so.1.0.0 from install of
libcephfs1-1:0.80.5-5.fc21.x86_64 conflicts with file from package
ceph-libcephfs-0.81.0-6.fc21.x86_64