LU-11125 ofd: decrease message level

LU-11125 ofd: decrease message level

The "destroys_in_progress already cleared" message
in ofd_create_hdl() may be result of high load on OST
server prior failover. It is not an error, so decrease
its level to D_HA from D_ERROR.

Signed-off-by: Mikhail Pershin <mpershin@whamcloud.com>
Change-Id: Id5142672a61244a6362be3778d0769baafc87b86
Reviewed-on: https://review.whamcloud.com/32985
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>