LU-2675 utils: remove unused utilities

LU-2675 utils: remove unused utilities

Remove the unused lnet utilities: debugctl, lstclient, and ptlctl.
Remove the unused lustre utilities: lrun, lshowmount,
module_cleanup.sh, obdctl, and rmmod_all.sh.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I7797f9b1be267ad36bdcd50848cb0e1e656c3c41
Reviewed-on: http://review.whamcloud.com/10510
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Liang Zhen <liang.zhen@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>