LU-11054 lnet: remove non-error error message

LU-11054 lnet: remove non-error error message

In lnet_ipif_enumerate(), remove the CERROR() that prints each device.

Test-Parameters: trivial
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Ida8d1636e9e608087205defabda865f930fd38a1
Reviewed-on: https://review.whamcloud.com/32560
Tested-by: Jenkins
Reviewed-by: Amir Shehata <amir.shehata@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Sonia Sharma <sonia.sharma@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>