How to remove "From" text

<?php

// Suggested update for:
// https://support.woothemes.com/hc/en-us/articles/202974056-How-to-remove-From-text

add_filter('gettext', 'translate_text', 10, 3);
add_filter('ngettext', 'translate_text', 10, 3);

function translate_text($translated, $text, $domain) {
  if ('From:' == $translated) {
    return '';  // Return empty string so that 'From:' is not displayed.
  }
  return $translated;
}