Don't listen to localhost in ssl_passphrase_callback test
Commit contained an unnecessary setting that listened to
localhost. Since the test doesn't actually try to make an SSL connection
to the database this isn't required. Moreover, it's a security hole.
Per gripe from Tom Lane.
@@ -28,7 +28,6 @@ $node->append_conf('postgresql.conf',
"ssl_passphrase.passphrase = '$rot13pass'");
$node->append_conf('postgresql.conf',
"shared_preload_libraries = 'ssl_passphrase_func'");
-$node->append_conf('postgresql.conf', "listen_addresses = 'localhost'");
$node->append_conf('postgresql.conf', "ssl = 'on'");
my $ddir = $node->data_dir;
