revision: remove log_reencode field from rev_info

Remove the log_reencode field from struct rev-info, as it is not used.
This field was introduced in 52883fb, but it hasn't been used since its
introduction.

Helped-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Lucas Seiki Oshiro <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: lucasoshiro

revision.h

@@ -291,7 +291,6 @@ struct rev_info {
 	struct string_list *ref_message_ids;
 	int		add_signoff;
 	const char	*extra_headers;
-	const char	*log_reencode;
 	const char	*subject_prefix;
 	int		patch_name_max;
 	int		no_inline;