LU-14316 llite: quiet spurious ioctl warning

LU-14316 llite: quiet spurious ioctl warning

Calling "lfs setstripe" prints a suprious warning about using the old
ioctl(LL_IOC_LOV_GETSTRIPE) when that is not actually the case.

Remove the ioctl warning for now and deal with related issues later.

Fixes: 364ec95f3688 ("LU-9367 llite: restore ll_file_getstripe in ll_lov_setstripe")
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I20f5a7adb60a30fce27e49827bd46229e2ce7057
Reviewed-on: https://review.whamcloud.com/41427
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>