LU-6245 tests: remove libcfs.h from test applications

LU-6245 tests: remove libcfs.h from test applications

Since user land libcfs is mostly gone libcfs.h can be
removed in the appilcations used for the test suite.

Change-Id: I8104655a750533ece9c74b2ee06cd197abfd3354
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: http://review.whamcloud.com/14629
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: frank zago <fzago@cray.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>