remove unnecessary fields usage

It doesn't actually give performance improvements unless we
use types with "my", but we don't do that.  We'll only continue
using fields with Danga::Socket-derived classes where they're
required.

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/PublicInbox/Msgmap.pm b/lib/PublicInbox/Msgmap.pm
index f2857908..8a34e7e0 100644
--- a/lib/PublicInbox/Msgmap.pm
+++ b/lib/PublicInbox/Msgmap.pm
@@ -4,7 +4,6 @@
 package PublicInbox::Msgmap;
 use strict;
 use warnings;
-use fields qw(dbh mid_insert mid_for num_for num_minmax);
 use DBI;
 use DBD::SQLite;
 
@@ -23,8 +22,7 @@ sub new {
                 sqlite_use_immediate_transaction => 1,
         });
         $dbh->do('PRAGMA case_sensitive_like = ON');
-        my $self = fields::new($class);
-        $self->{dbh} = $dbh;
+        my $self = bless { dbh => $dbh }, $class;
 
         if ($writable) {
                 create_tables($dbh);