iptables: remove unused leftover definitions

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/iptables/iptables.c b/iptables/iptables.c
index f765cf9..760cb16 100644
--- a/iptables/iptables.c
+++ b/iptables/iptables.c
@@ -186,22 +186,6 @@
 #define prog_name iptables_globals.program_name
 #define prog_vers iptables_globals.program_version
 
-/* Primitive headers... */
-/* defined in netinet/in.h */
-#if 0
-#ifndef IPPROTO_ESP
-#define IPPROTO_ESP 50
-#endif
-#ifndef IPPROTO_AH
-#define IPPROTO_AH 51
-#endif
-#endif
-
-enum {
-	IPT_DOTTED_ADDR = 0,
-	IPT_DOTTED_MASK
-};
-
 static void __attribute__((noreturn))
 exit_tryhelp(int status)
 {