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/atm/proc.c b/net/atm/proc.c
index 0d020de..b4e7534 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -460,7 +460,7 @@
 		if (e->dirent)
 			remove_proc_entry(e->name, atm_proc_root);
 	}
-	proc_net_remove(&init_net, "atm");
+	remove_proc_entry("atm", init_net.proc_net);
 }
 
 int __init atm_proc_init(void)