nntp: remove unused hdr_val subroutine

hdr_val has not been used since commit 1d236e649df1
("nntp: implement OVER/XOVER summary in search document")

1 files changed, 0 insertions, 10 deletions

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 8740377f..c715e8f7 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -533,16 +533,6 @@ sub get_range ($$) {
         [ $beg, $end ];
 }
 
-sub hdr_val ($$) {
-        my ($r, $header) = @_;
-        return $r->[3] if $header =~ /\A:?bytes\z/i;
-        return $r->[4] if $header =~ /\A:?lines\z/i;
-        $r = $r->[2]->header_obj->header($header);
-        defined $r or return;
-        $r =~ s/[\r\n\t]+/ /sg;
-        $r;
-}
-
 sub long_response ($$$$) {
         my ($self, $beg, $end, $cb) = @_;
         die "BUG: nested long response" if $self->{long_res};