Change Archive Title and Description of Custom Post Type Archive
At the head of a custom post type archive page is an archive title and description by default, the title will inherit the name of the custom post type, you can edit these values in the Archive Settings of the custom post type in the WP Admin Dashboard.
Remove Archive Title and Description of Custom Post Type Archive
You can totally remove this markup by removing the genesis_do_cpt_archive_title_description function which is loaded in in /genesis/lib/structure/archive.php
Just remove the action in your themes functions.php file
//Removes Title and Description on CPT Archive remove_action( 'genesis_before_loop', 'genesis_do_cpt_archive_title_description' );