LU-10989 utils: correct lustre_rsync changelog clear logic

In the non-extended rename case of lr_replicate() copy the record
number from ext to info. Then remove the spurious rename record
handling from lr_clear_cl().

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I615ec2f384f5f9d7807156acb3ce66ac47ca1e77
Reviewed-on: https://review.whamcloud.com/32247


Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>