view: eliminate dead code and hash fields

These were the vestigial remains of our previous use of
of Message-ID compression.

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index f074a24487e7612c64a81f224d1715eef1c8a6b2..2cf7e4f01ff120c8c6b4ef3634b944c7f0332043 100644 (file)
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -464,8 +464,6 @@ sub thread_inline {
                seen => { $subj => 1 },
                srch => $srch,
                cur => $mid,
-               parent_cmp => defined $parent ? $parent : '',
-               parent => $parent,
                prev_attr => '',
                prev_level => 0,
        };
@@ -474,7 +472,7 @@ sub thread_inline {
        }
        $$dst .= "<a\nid=b></a>"; # anchor for body start
        $ctx->{next_msg} = $state->{next_msg};
-       $ctx->{parent_msg} = $state->{parent};
+       $ctx->{parent_msg} = $parent;
 }
 
 sub _parent_headers_nosrch {
@@ -811,9 +809,6 @@ sub inline_dump {
        if (my $mime = $node->message) {
                my $hdr = $mime->header_obj;
                my $mid = mid_clean($hdr->header_raw('Message-ID'));
-               if ($mid eq $state->{parent_cmp}) {
-                       $state->{parent} = $mid;
-               }
                _inline_header($dst, $state, $upfx, $hdr, $level);
        } else {
                my $dot = $level == 0 ? '' : '` ';