tag.h: Remove unused signature field

Its documented as unused.  So lets just drop it from the structure
since we haven't ever used it.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/tag.h b/tag.h
index 7a0cb00..c437890 100644 (file)
--- a/tag.h
+++ b/tag.h
@@ -9,7 +9,6 @@ struct tag {
        struct object object;
        struct object *tagged;
        char *tag;
-       char *signature; /* not actually implemented */
 };
 
 extern struct tag *lookup_tag(const unsigned char *sha1);