Hi there, thank you for reaching out to the Community. Please note the Samsung account can be very useful and is required in certain aspects however I located this article that you will need to review thoroughly to proceed with your request of removing the account here- https://www.samsung.com/us/support/answer/ANS00062033/.
For additional assistance with the Samsung Account, please reach out to the Samsung Accounts team directly by calling 1-855-795-0509.
