CiviCRM empty translation function for us-en

gistfile1.txt

/**
* Implementation of hook_civicrm_config()
*/
function civicrm_l10n_civicrm_config(&$config) {
  $config =& CRM_Core_Config::singleton();
  $config->customTranslateFunction = 'civicrm_l10n_ts';
}

function civicrm_l10n_ts($text, $params = array()) {
  static $i18n = NULL;

  if (count($params)) {
    foreach ($params as $key => $val) {
      // replace %1 by its value
      $text = str_replace('%' . $key, $val, $text);
    }
  }

  return $text;
}