xtables-translate: rm duplicate includes

Signed-off-by: Florian Westphal <fw@strlen.de>
diff --git a/iptables/xtables-translate.c b/iptables/xtables-translate.c
index 74efcb6..61d4da1 100644
--- a/iptables/xtables-translate.c
+++ b/iptables/xtables-translate.c
@@ -7,11 +7,6 @@
  * (at your option) any later version.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <iptables.h>
 #include <time.h>
 #include "xtables-multi.h"
 #include "nft.h"