Update the footer and header to match HPR new website

hub/request.php

@@ -155,8 +155,6 @@ $body="give";
 include 'header.php'; 
 
 ?>
-
-<main id="maincontent">
   <h1>Requesting a slot for your show.</h1>
   <p>Please select your desired slot, and enter a valid email address.<br />
   See our <a aria-label="Help on adding an episode" href="<?php echo "${referrerurl}about.html#adding_an_episode"; ?>">help page</a> for more information</a>
@@ -204,8 +202,6 @@ include 'header.php';
   <p>
   We will send you an email with a link to where you can upload your show.
   </p>
-</main>
-
 <?php
 include 'footer.php'; 
 ?>