Remove Email Templates from Event Espresso email messages

no_ee_email_templates_no.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

add_action('AHEE__EE_Email_Messenger_main_wrapper_template_head', 'my_remove_email_templates', 10);
function my_remove_email_templates()
{
  if (class_exists('Mailtpl'))
  {
    $mailtpl = Mailtpl::instance();
    remove_action('phpmailer_init', array($mailtpl->mailer, 'send_email'), 50);
  }
}