Woocommerce product category customizations

Remove subcategory count.

add_filter( 'woocommerce_subcategory_count_html', function(){ 
	return ''; 
});

Change the number of loop shop columns.

add_filter( 'loop_shop_columns', function(){ 
	$cat_obj = get_queried_object();
	$cat_id = $cat_obj->term_id;
	if( get_woocommerce_term_meta( $cat_id, 'display_type', true )== 'subcategories' ){
		return 3; 
	}else{
		return 4; 
	}
});

Change the number of loop shop columns css. Just add a class on the body tag.

add_filter( 'body_class', function ( $classes ){
	$cat_obj = get_queried_object();
	$cat_id = $cat_obj->term_id;
	if( is_woocommerce() && ( get_woocommerce_term_meta( $cat_id, 'display_type', true )== 'subcategories' ) ){
		$classes[] = 'columns-3';
	}else{
		$classes[] = '';
	}
	return $classes;
});