Remove Dates from Posts in Particular Category : Genesis Framework

gistfile1.php

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

//* Customize the entry meta in the entry header */
add_filter( 'genesis_post_info', 'post_info_filter' );
function post_info_filter($post_info) {
  if( !in_category( array('cat-1','cat-2') )) {
  		$post_info = 'Posted by [post_author_posts_link] [post_comments] [post_edit]';
	}
	else {
		$post_info = '[post_date] by [post_author]  [post_comments] [post_edit]';
	}
  return $post_info;
}