[Link14716]

Reverse all file and template edits and run these queries:
[sql]DELETE FROM phrasetype WHERE phrasetypeid='716';
DELETE FROM phrase WHERE varname LIKE '%shoutbox%';
DELETE FROM setting WHERE varname LIKE 'shoutbox%';
DELETE FROM settinggroup WHERE grouptitle='shoutbox';
ALTER TABLE language DROP phrasegroup_shoutbox;
ALTER TABLE usergroup DROP shoutboxpermissions, DROP shouthierarchy;
ALTER TABLE user DROP shouts, DROP shoutbanned;
DROP TABLE shoutbox_posts;[/sql]