wt-status: remove unused workdir_untracked member

Signed-off-by: Junio C Hamano <gitster@pobox.com>

wt-status.c

@@ -378,7 +378,6 @@ static void wt_status_collect_untracked(struct wt_status *s)
 			continue;
 		if (!match_pathspec(s->pathspec, ent->name, ent->len, 0, NULL))
 			continue;
-		s->workdir_untracked = 1;
 		string_list_insert(ent->name, &s->untracked);
 	}
 }

wt-status.h

@@ -47,7 +47,6 @@ struct wt_status {
 	/* These are computed during processing of the individual sections */
 	int commitable;
 	int workdir_dirty;
-	int workdir_untracked;
 	const char *index_file;
 	FILE *fp;
 	const char *prefix;