// Remove sidebar from pa_brand taxonomy
function bowerspace_remove_woo_pa_brand_sidebar( $class ) {
	if ( is_tax( 'pa_brand' ) ) {
		$class = 'full-width';
	}
	return $class;
}
add_filter( 'wpex_post_layout_class', 'bowerspace_remove_woo_pa_brand_sidebar', 40 );