batman-adv: remove misplaced comment

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

net/batman-adv/originator.c

@@ -19,8 +19,6 @@
  *
  */
 
-/* increase the reference counter for this originator */
-
 #include "main.h"
 #include "originator.h"
 #include "hash.h"