fix cgroup_cleanup function

The yesno test for rc_cgroup_cleanup belongs at the point where this
function is called from runscript, not in the function itself.

X-Gentoo-Bug: 486210
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=486210

sh/rc-cgroup.sh.in

@@ -116,7 +116,7 @@ cgroup_set_limits()
 
 cgroup_cleanup()
 {
-	yesno "${rc_cgroup_cleanup:-no}" && cgroup_running || return 0
+	cgroup_running || return 0
 	ebegin "starting cgroups cleanup"
 	for sig in TERM QUIT INT; do
 		cgroup_get_pids || { eend 0 "finished" ; return 0 ; }