Hello,
Thank you for reaching out to us with your requests.
1/ To remove the payment information from the cart page, please go to Appearance > Widgets > Cart area.
2/ We would recommend you to contact WooCommerce support team – https://wordpress.org/support/plugin/woocommerce/
If you have any other questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Best Regards,
8Theme’s Team