ila: Remove unnecessary file net/ila.h

Commit 642c2c95 ("ila: xlat changes") removed ila_xlat_outgoing()
and ila_xlat_incoming() functions, then this file became unnecessary.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230801143129.40652-1-yuehaibing@huawei.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

include/net/ila.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * ILA kernel interface
- *
- * Copyright (c) 2015 Tom Herbert <tom@herbertland.com>
- */
-
-#ifndef _NET_ILA_H
-#define _NET_ILA_H
-
-struct sk_buff;
-
-int ila_xlat_outgoing(struct sk_buff *skb);
-int ila_xlat_incoming(struct sk_buff *skb);
-
-#endif /* _NET_ILA_H */

net/ipv6/ila/ila_main.c

 // SPDX-License-Identifier: GPL-2.0
 #include <net/genetlink.h>
-#include <net/ila.h>
 #include <net/netns/generic.h>
 #include <uapi/linux/genetlink.h>
 #include "ila.h"

net/ipv6/ila/ila_xlat.c

@@ -5,7 +5,6 @@
 #include <linux/rhashtable.h>
 #include <linux/vmalloc.h>
 #include <net/genetlink.h>
-#include <net/ila.h>
 #include <net/netns/generic.h>
 #include <uapi/linux/genetlink.h>
 #include "ila.h"