pluto: Removed KLIPS specific bare shunt scanning.

src/pluto/kernel.h

@@ -152,8 +152,6 @@ extern void record_and_initiate_opportunistic(const ip_subnet *
 
 extern void init_kernel(void);
 
-extern void scan_proc_shunts(void);
-
 extern bool trap_connection(struct connection *c);
 extern void unroute_connection(struct connection *c);