batman-adv: Remove duplicate types.h inclusions

types.h is included by main.h, which is included at the beginning of any
other c-file anyway. Therefore this commit removes those duplicate
inclussions.

Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

net/batman-adv/routing.c

@@ -28,7 +28,6 @@
 #include "icmp_socket.h"
 #include "translation-table.h"
 #include "originator.h"
-#include "types.h"
 #include "ring_buffer.h"
 #include "vis.h"
 #include "aggregation.h"