Implements hook_uninstall().
function language_uninstall() {
// Clear variables.
variable_del('language_default');
variable_del('language_count');
// Clear variables.
variable_del('language_types');
variable_del('language_content_type_default');
variable_del('language_content_type_negotiation');
foreach (language_types_get_all() as $type) {
variable_del("language_negotiation_{$type}");
variable_del("language_negotiation_methods_weight_{$type}");
}
// Re-initialize the language system so successive calls to t() and other
// functions will not expect languages to be present.
drupal_language_initialize();
}