LU-8058 utils: Remove old commented out code

LU-8058 utils: Remove old commented out code

These #if 0 blocks have been in place for years. Assume
they are not used and remove them

remove empty function handle_spkm3_upcall

Signed-off-by: Ben Evans <bevans@cray.com>
Change-Id: Ia660048adae000a506836fe226c475affd0149b8
Reviewed-on: http://review.whamcloud.com/20415
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>