drop unused filter

lib/IdPAccountManager/Tools.pm

@@ -115,7 +115,6 @@ sub mail_notice {
         "|/usr/sbin/sendmail -f $args{data}->{from} $args{data}->{to}";
 
     my $tt2 = Template->new({
-        FILTERS      => { qencode => [ \&qencode, 0 ] },
         INCLUDE_PATH => $args{templates_dir}
     });
     $tt2->process($args{template}, $args{data}, \*SENDMAIL)
@@ -124,19 +123,6 @@ sub mail_notice {
     close SENDMAIL;
 }
 
-sub qencode {
-    my ($string) = @_;
-
-    # We are not able to determine the name of header field, so assume
-    # longest (maybe) one.
-    return MIME::EncWords::encode_mimewords(
-        Encode::decode('utf8', $string),
-        Encoding => 'A',
-        Charset  => 'utf8',
-        Field    => "subject"
-    );
-}
-
 1;
 __END__