How to remove Grub2 Bootloader password?

Question

linux

Hello. three months ago I set the password for the wasps in the boot menu. That is, when I turned on the computer, a menu appeared with Windows 10 and Centos 7. I password-protected Windu into a hornbeam. that is, when I click on Windows, I first enter the password and login, and only then does it let me into the system. Here, according to this article, I did everything: ... I didn’t do this in centos. time has passed, now I wanted to start everything without a login and password))) how can this be done?
here is the article on which the password was made:
https://andreyex.ru/centos-7/kak-zashhitit-grub2-b...

Answer 1

and do the reverse actions - also need a separate article?