Moving C5 to another server

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Howdy.

http://www.stomp-box.co.uk

Exported database and copied out public_html files excluding updates, cache and tmp

Copied files to public_html on new host , imported database, copied latest C5 5.6.3.1 to Updates/concrete5.6.3.1

Updated config.sys/site.php to

<?php
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'stompbox_admin');
define('DB_PASSWORD', 'stom_tmp_pass');
define('DB_DATABASE', 'stompbox_stom');
define('PASSWORD_SALT', '85rebttwrc0wvemqlghvkjpf5f7qromssls2kzuommdmz1k8cysrpvfirzmzdugg');
define('DIRNAME_APP_UPDATED', 'concrete5.6.3.1_updater');?>

I'm getting this message when i try to load the site

Invalid "DIRNAME_APP_UPDATED" defined. Please remove it from /home/stompbox/public_html/config/site.php.

Any ideas???