Remove calls to send wildcard requests.

Since send_request was buggy, these weren't doing anything.  Don't change
the behaviour, sending wildcard requests at startup is not a good idea.

babeld.c

@@ -582,7 +582,6 @@ main(int argc, char **argv)
         send_hello(ifp);
         send_wildcard_retraction(ifp);
         send_self_update(ifp);
-        send_request(ifp, NULL, 0, NULL, 0);
         flushupdates(ifp);
         flushbuf(ifp);
     }

interface.c

@@ -467,7 +467,6 @@ interface_up(struct interface *ifp, int up)
         send_hello(ifp);
         if(rc > 0)
             send_update(ifp, 0, NULL, 0, NULL, 0);
-        send_request(ifp, NULL, 0, NULL, 0);
     } else {
         flush_interface_routes(ifp, 0);
         ifp->buffered = 0;
@@ -554,7 +553,6 @@ check_interfaces(void)
             check_interface_channel(ifp);
             rc = check_interface_ipv4(ifp);
             if(rc > 0) {
-                send_request(ifp, NULL, 0, NULL, 0);
                 send_update(ifp, 0, NULL, 0, NULL, 0);
             }
         }