LU-5275 libcfs: cleanup the proc hash and cfs wrappers

LU-5275 libcfs: cleanup the proc hash and cfs wrappers

Remove the non seq file version of the cfs_hash functions.
Remove the basic cfs wrappers for procfs definations.

Change-Id: Ie4996656267998b78e44cdedfbf972f358e04d50
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Reviewed-on: http://review.whamcloud.com/11743
Tested-by: Jenkins
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>