kill some dead code.

src/laws.c

@@ -693,7 +693,6 @@ void demographics(void)
     for (r = regions; r; r = r->next) {
         ++r->age;                   /* also oceans. no idea why we didn't always do that */
         live(r);
-        /* check_split_dragons(); */
 
         if (!fval(r->terrain, SEA_REGION)) {
             /* die Nachfrage nach Produkten steigt. */

src/laws.h

@@ -23,8 +23,6 @@ extern "C" {
 #endif
 
   extern int writepasswd(void);
-  int getoption(void);
-  int wanderoff(struct region *r, int p);
   void demographics(void);
   void last_orders(void);
   void find_address(void);