remove_action( 'genesis_entry_header', 'genesis_post_info', 12 );

add_action( 'genesis_entry_header', 'custom_post_info', 12 );
function custom_post_info() {

    $term_list = wp_get_post_terms( 'genre' );
    if ( $term_list ) {
        genesis_post_info();
    }

}