Remove payment details from CONTRIBUTING

CONTRIBUTING.md

@@ -2,63 +2,8 @@
 
 ## Support the project!
 
-If you like this project, and you want to support it, you can buy an eBook or a physical copy
-of the book on Amazon:
-
-<https://www.amazon.com/dp/B0DJYMDRLP>
-
-### Sending donations directly
-
-You can also donate some amount directly to the author of the project via:
-
-- PayPal Donation.
-- Revolut.
-- Wise.
-
-These are good ways to support directly the author of the project, which helps to foster
-more contents like this, and it makes possible for the author to keep writing helpful tools and
-materials for the community.
-
-### PayPal
-
-[![PayPal](https://img.shields.io/badge/PayPal-003087?logo=paypal&logoColor=fff)](https://www.paypal.com/donate/?business=D58J5LFEERC3N&no_recurring=0&item_name=These+donations+make+it+possible+for+me+to+continue+writing+new+and+useful+content+for+our+community%F0%9F%98%89+Thank+you%21%E2%9D%A4%EF%B8%8F%F0%9F%A5%B3&currency_code=USD)
-
-
-### Revolut
-
-You can send money via Swift Payment with the following bank and Swift details:
-
-```
-Recipient: Pedro Duarte Faria
-BIC/SWIFT Code: REVOSGS2
-Account number: 6124512226
-Name and address of the bank: Revolut Technologies Singapore Pte. Ltd, 6 Battery Road, Floor 6-01, 049909, Singapore, Singapore
-Corresponding BIC: CHASGB2L
-```
-
-If you do have a Revolut account, you can scan the following QR code:
-
-<http://revolut.me/pedroduartefaria>
-
-
-### Wise
-
-If you don't have a Wise account, and just want to send the money via Swift Payment,
-you can send it to the following bank account:
-
-```
-Owner of the Wise account: Pedro Duarte Faria
-Owner of the account: Wise US Inc.
-Swift/BIC: TRWIUS35XXX
-Account number: 715958645769167
-Name and address of the bank: Wise US Inc 30 W. 26th Street, Sixth Floor, New York NY 10010, United States.
-```
-
-If you do have a Wise account, you can scan the following QR code:
-
-[![Wise](https://img.shields.io/badge/Wise-394e79?style=for-the-badge&logo=wise&logoColor=00B9FF)](https://wise.com/pay/me/pedrod4845)
-
-
+If you like this project, you can contribute to it by purchasing an eBook or a physical copy
+of the book on Amazon. Or, by sending a direct donation to the author. Checkout the details at `README.md`.
 
 ## Opening issues or Pull Requests