LU-3963 libcfs: remove proc handler wrappers

LU-3963 libcfs: remove proc handler wrappers

Libcfs has wrappers to handle other platforms proc
handling  which is no longer needed. This patch unwinds
those wrappers.

Change-Id: I529a5c3ac0fe6eed9e967782d9d24e40215d3840
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Reviewed-on: http://review.whamcloud.com/11963
Tested-by: Jenkins
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>