Commit 6da09613 deleted htdocs/application/hooks/pick_language.php to fix #264,
but it did not remove the hook from htdocs/application/config/hooks.php.
This commit reverts htdocs/application/config/hooks.php back to f97a5331 and
disables $config['enable_hooks'] in htdocs/application/config/config.php.
It was introduced in b69c6650.
Commit 6da09613 deleted htdocs/application/hooks/pick_language.php to fix #264, but it did not remove the hook from htdocs/application/config/hooks.php.
This commit reverts htdocs/application/config/hooks.php back to f97a5331 and disables $config['enable_hooks'] in htdocs/application/config/config.php. It was introduced in b69c6650.