Flush flush_network_routes.

It is no longer used.

route.c

@@ -112,21 +112,6 @@ flush_neighbour_routes(struct neighbour *neigh)
     }
 }
 
-void
-flush_network_routes(struct network *net)
-{
-    int i;
-
-    i = 0;
-    while(i < numroutes) {
-        if(routes[i].neigh->network == net) {
-            flush_route(routes + i);
-            continue;
-        }
-        i++;
-    }
-}
-
 unsigned int
 metric_to_kernel(int metric)
 {

route.h

@@ -44,7 +44,6 @@ struct route *find_installed_route(const unsigned char *prefix,
                                    unsigned char plen);
 void flush_route(struct route *route);
 void flush_neighbour_routes(struct neighbour *neigh);
-void flush_network_routes(struct network *net);
 unsigned int metric_to_kernel(int metric);
 void install_route(struct route *route);
 void uninstall_route(struct route *route);