clean up a lot message, and remove a line that does nothing.

svn:r5603

src/or/routerlist.c

@@ -3342,9 +3342,9 @@ router_have_minimum_dir_info(void)
   }
   if (!res && have_enough) {
     log(LOG_NOTICE, LD_DIR,"Our directory information is no longer up-to-date "
-        "enough to build circuits.");
+        "enough to build circuits.%s",
+        any_running ? "" : " (All servers seem down -- network down?)");
   }
-  have_enough = res;
   return res;
 }