Merge branch 'jt/transport-hide-vtable'

Code clean-up.

* jt/transport-hide-vtable:
  transport: make transport vtable more private
  clone, fetch: remove redundant transport check

builtin/fetch.c

@@ -1095,9 +1095,6 @@ static int do_fetch(struct transport *transport,
 			tags = TAGS_UNSET;
 	}
 
-	if (!transport->get_refs_list || !transport->fetch)
-		die(_("Don't know how to fetch from %s"), transport->url);
-
 	/* if not appending, truncate FETCH_HEAD */
 	if (!append && !dry_run) {
 		retcode = truncate_fetch_head();