autotest/tp-libvirt — pull request #393 by PandaWei (2014-12-11 11:22:52+00:00)
Title: libvirt_bench_dump_with_unixbench.py: remove useless code

the variable guest_unixbench_pids keeps None all the time,
so utils_misc.kill_process_tree(pid) never be called.
this patch used to remove these useless code.