Remove redundant descriptor checks for OR/Dir reachability

The ORPort and DirPort must be reachable, or we won't publish a
descriptor.

src/or/router.c

@@ -1247,9 +1247,6 @@ decide_to_advertise_dirport(const or_options_t *options, uint16_t dir_port)
     return dir_port;
   if (net_is_disabled())
     return 0;
-  /* redundant - if DirPort is unreachable, we don't publish a descriptor */
-  if (!check_whether_dirport_reachable())
-    return 0;
   if (!router_get_advertised_dir_port(options, dir_port))
     return 0;
 
@@ -1280,9 +1277,6 @@ decide_to_advertise_begindir(const or_options_t *options,
     return 1;
   if (net_is_disabled())
     return 0;
-  /* redundant - if ORPort is unreachable, we don't publish a descriptor */
-  if (!check_whether_orport_reachable())
-    return 0;
   if (!router_get_advertised_or_port(options))
     return 0;