[NET_SCHED]: kill PSCHED_AUDIT_TDIFF

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_sched.h

@@ -59,7 +59,6 @@ typedef long	psched_tdiff_t;
 #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;

net/sched/sch_cbq.c

@@ -820,8 +820,6 @@ cbq_update(struct cbq_sched_data *q)
 			idle -= L2T(&q->link, len);
 			idle += L2T(cl, len);
 
-			PSCHED_AUDIT_TDIFF(idle);
-
 			PSCHED_TADD2(q->now, idle, cl->undertime);
 		} else {
 			/* Underlimit */