WooCommerce plugin custom fields edit for Thank you page and Order Receipt email

General information for the website: Woocommerce store for event
Kind of development: Customization of existing website
Num. of web pages/modules: 2
Description of every page/module: We need to remove the information entered in the custom fields we added to Woocommerce checkout using this plugin (http://booster.io/) from the following modules:

- Woocommerce Thank You Page/aka. Successful Payment /aka. Order Completion page

and

-Woocommerce customer order receipt/confirmation E-mail

In other words we want to "Hide" this information from the customer on those pages BUT we still want the information to display in backend AND admin order email.
Description of requirements/features: The fields we want to "hide" as described above are shown in the attached images.
Extra services needed: Customization
Specific technologies required: PHP, CSS, WooCommerce, Wordpress Hooks, WP IDE
Extra notes: