smsg: remove ->bytes and ->lines methods

They're stored directly in Xapian and SQLite document data.
NNTP accesses those fields directly to avoid method invocation
overhead so there's no reason to waste several kilobytes for
each sub.

diff --git a/lib/PublicInbox/Smsg.pm b/lib/PublicInbox/Smsg.pm
index 9e363a112c04c17c326286dd706edb7d97aa9652..a7ee2e409391d4729d800b45c31d20563ff29fe6 100644 (file)
--- a/lib/PublicInbox/Smsg.pm
+++ b/lib/PublicInbox/Smsg.pm
@@ -90,10 +90,6 @@ sub from_mitem {
        psgi_cull(load_expand($self, $mitem->get_document));
 }
 
-# :bytes and :lines metadata in RFC 3977
-sub bytes ($) { $_[0]->{bytes} }
-sub lines ($) { $_[0]->{lines} }
-
 sub __hdr ($$) {
        my ($self, $field) = @_;
        $self->{lc($field)};