net: proc: change proc_net_remove to remove_proc_entry

proc_net_remove is only used to remove proc entries
that under /proc/net,it's not a general function for
removing proc entries of netns. if we want to remove
some proc entries which under /proc/net/stat/, we still
need to call remove_proc_entry.

this patch use remove_proc_entry to replace proc_net_remove.
we can remove proc_net_remove after this patch.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 2201e69..6048fc1 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3650,7 +3650,7 @@
 remove_entry:
 	remove_proc_entry(PGCTRL, pn->proc_dir);
 remove:
-	proc_net_remove(pn->net, PG_PROC_DIR);
+	remove_proc_entry(PG_PROC_DIR, pn->net->proc_net);
 	return ret;
 }
 
@@ -3676,7 +3676,7 @@
 	}
 
 	remove_proc_entry(PGCTRL, pn->proc_dir);
-	proc_net_remove(pn->net, PG_PROC_DIR);
+	remove_proc_entry(PG_PROC_DIR, pn->net->proc_net);
 }
 
 static struct pernet_operations pg_net_ops = {