staging/lustre/libcfs: remove cfs_curproc_groups_nr

no user.

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/include/linux/libcfs/curproc.h
Simple merge

diff --cc drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
Simple merge