[NET_SCHED]: kill PSCHED_AUDIT_TDIFF

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 6555e57..276d1ad 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -59,7 +59,6 @@
 #define PSCHED_TADD(tv, delta)		((tv) += (delta))
 #define PSCHED_SET_PASTPERFECT(t)	((t) = 0)
 #define PSCHED_IS_PASTPERFECT(t)	((t) == 0)
-#define	PSCHED_AUDIT_TDIFF(t)
 
 struct qdisc_watchdog {
 	struct hrtimer	timer;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index dcd9c31..57ac6c5 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -820,8 +820,6 @@
 			idle -= L2T(&q->link, len);
 			idle += L2T(cl, len);
 
-			PSCHED_AUDIT_TDIFF(idle);
-
 			PSCHED_TADD2(q->now, idle, cl->undertime);
 		} else {
 			/* Underlimit */