staging/lustre/socklnd: remove ksnd_sysctl

It is dead code because we defined CFS_SYSFS_MODULE_PARM.

Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
Simple merge

diff --cc drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
Simple merge

diff --cc drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
Simple merge

diff --cc drivers/staging/lustre/lnet/klnds/socklnd/socklnd_modparams.c
Simple merge