Remove Genesis title links (conditionally, for functions.php)

functions.php

<?php
//* Do not include the opening php tag

//* Remove the link from titles
add_filter( 'genesis_post_title_output', 'prefix_custom_post_title' );
function prefix_custom_post_title( $title ) {
  if ( is_post_type_archive( 'post' ) ) {
    $post_title = get_the_title( get_the_ID() );
	  $title = '<h2 class="entry-title" itemprop="headline">' . $post_title . '</h2>';
  }
  
  return $title; 
}