Addon::unregisterHook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body');
Addon::unregisterHook('addon_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
Addon::unregisterHook('addon_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');
Addon::unregisterHook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body');
Addon::unregisterHook('addon_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
Addon::unregisterHook('addon_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');