Hello,
I checked your website and found that the categories displayed at the top of the page are coming from your Product Archive Layout.
Please navigate to Layouts, edit your Product Archive Layout, and check the Product Categories widget that has been added there. You can customize or remove it as needed.
For more information about the Layout Builder, please refer to our documentation:
https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/
The subcategories displayed together with the products are controlled by the default WooCommerce category display settings.
Please navigate to:
Appearance > Customize > WooCommerce > Product Catalog > Category Display
It is currently set to Subcategories & Products, which is why WooCommerce is displaying both the subcategories and the products on the category page.
Screenshot for reference:
https://postimg.cc/68yh9HDY
Please adjust this setting according to your requirements and check the result.
Best Regards