Remove Title from oEmbed YouTube Video Links in WordPress 4.9.4

function custom_youtube_settings($code){
  if(strpos($code, 'youtu.be') !== false || strpos($code, 'youtube.com') !== false){
      $return = preg_replace("@src=(['\"])?([^'\">\s]*)@", "src=$1$2&rel=0&modestbranding=0&autohide=1&showinfo=0&controls=1", $code);
      return $return;
 }
   return $code;
}

add_filter('embed_handler_html', 'custom_youtube_settings');
add_filter('embed_oembed_html', 'custom_youtube_settings');

Source: http://tutorialshares.com/youtube-oembed-urls-remove-showinfo/