net/sched: remove tcf_idr_cleanup()

tcf_idr_cleanup() is no more used, so remove it.
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/act_api.h

@@ -149,7 +149,6 @@ bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
 int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
 		   struct tc_action **a, const struct tc_action_ops *ops,
 		   int bind, bool cpustats);
-void tcf_idr_cleanup(struct tc_action *a, struct nlattr *est);
 void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a);
 
 int __tcf_idr_release(struct tc_action *a, bool bind, bool strict);

net/sched/act_api.c

@@ -296,14 +296,6 @@ bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
 }
 EXPORT_SYMBOL(tcf_idr_check);
 
-void tcf_idr_cleanup(struct tc_action *a, struct nlattr *est)
-{
-	if (est)
-		gen_kill_estimator(&a->tcfa_rate_est);
-	free_tcf(a);
-}
-EXPORT_SYMBOL(tcf_idr_cleanup);
-
 int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
 		   struct tc_action **a, const struct tc_action_ops *ops,
 		   int bind, bool cpustats)