batman-adv: Drop unused compat-hacks.patch

The linux/build_bug.h is already provided by mac80211's backports. It is
not needed anymore to adjust the includes to use the older linux/bug.h

Signed-off-by: Sven Eckelmann <sven@narfation.org>

batman-adv/patches/0001-compat-hacks.patch

@@ -1,33 +0,0 @@
---- a/net/batman-adv/main.c
-+++ b/net/batman-adv/main.c
-@@ -19,7 +19,7 @@
- #include "main.h"
- 
- #include <linux/atomic.h>
--#include <linux/build_bug.h>
-+#include <linux/bug.h>
- #include <linux/byteorder/generic.h>
- #include <linux/crc32c.h>
- #include <linux/errno.h>
---- a/net/batman-adv/tp_meter.c
-+++ b/net/batman-adv/tp_meter.c
-@@ -20,7 +20,7 @@
- #include "main.h"
- 
- #include <linux/atomic.h>
--#include <linux/build_bug.h>
-+#include <linux/bug.h>
- #include <linux/byteorder/generic.h>
- #include <linux/cache.h>
- #include <linux/compiler.h>
---- a/net/batman-adv/translation-table.c
-+++ b/net/batman-adv/translation-table.c
-@@ -21,7 +21,7 @@
- 
- #include <linux/atomic.h>
- #include <linux/bitops.h>
--#include <linux/build_bug.h>
-+#include <linux/bug.h>
- #include <linux/byteorder/generic.h>
- #include <linux/cache.h>
- #include <linux/compiler.h>