LU-6245 libcfs: remove bitops wrappers for libcfs

LU-6245 libcfs: remove bitops wrappers for libcfs

The libcfs layer contains wrappers to provide bitop
wrappers to user land. Since libcfs is no longer
built for user land we can remove the wrappers. Also
remove user-crypto.h since it is not used at all.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
Change-Id: I310cfc99d0cff3f527f656f4127e105883127338
Reviewed-on: http://review.whamcloud.com/13899
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: frank zago <fzago@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>