Hi @startechmarketing
Thanks for reaching out!
I understand that you are using another shipping plugin on your site and would like to know if the WooCommerce Shipping & Tax plugin is necessary in order to configure shipping on your site, is that correct?
WooCommerce Shipping & Tax makes basic eCommerce features like shipping more reliable by taking the burden off of your site’s infrastructure. With WooCommerce Shipping & Tax, critical services are hosted on Automattic’s best-in-class infrastructure, rather than relying on your store’s hosting. That means your store will be more stable and faster.
Since you are using a third-party plugin to configure the shipping settings of your site, you could opt to not use this plugin anymore.
Hope this helps!