sys-apps/net-tools: remove unused patch(es)

Closes: https://github.com/gentoo/gentoo/pull/19306
Package-Manager: Portage-3.0.14, Repoman-3.0.2
Signed-off-by: Michael Mair-Keimberger <m.mairkeimberger@gmail.com>
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

sys-apps/net-tools/files/net-tools-1.60_p20161110235919-fix-building-w-older-linux-headers.patch

@@ -1,33 +0,0 @@
-From ea3935bd7c0f36c86c40e5785326698fa3336c6a Mon Sep 17 00:00:00 2001
-From: Mike Frysinger <vapier@gentoo.org>
-Date: Mon, 14 Nov 2016 22:48:42 -0500
-Subject: [PATCH] iptunnel: fix building w/older linux headers
-
-While linux-4.8+ headers work, older ones are missing includes.
-Dropping netinet/ip.h uncovered that mess, so add linux/ip.h.
-
-URL: https://bugs.gentoo.org/599542
-Reported-by: Conrad Kostecki <ck@bl4ckb0x.de>
----
- iptunnel.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
-diff --git a/iptunnel.c b/iptunnel.c
-index 247ae10..d6e47e6 100644
---- a/iptunnel.c
-+++ b/iptunnel.c
-@@ -29,7 +29,12 @@
- #include <arpa/inet.h>
- #include <net/if.h>
- #include <net/if_arp.h>
-+/* We only care about linux/if_tunnel.h.  Unfortunately, older Linux headers
-+ * (pre linux-4.8) did not include all the proper headers leading to missing
-+ * structs and types.
-+ */
- #include <linux/types.h>
-+#include <linux/ip.h>
- #include <linux/if_tunnel.h>
- 
- #include "config.h"
--- 
-2.9.0