Country codes are getting regenerated under organization administration after upgrade /install latest version

Step1:- Organization administration >> Global Address Book >>addresses >> Address setup

Step2:- select the Country/Region

Change the county from AFG to AF

Click on the record info

And change the country code from AFG to AF--- click on the ok

***ACTUAL RESULT***

After updating, both the new two-digit currency code and the old three-digit country code are displayed in the system.

***EXPECTED RESULT***

The system should display only the updated, two-digit currency code in the organization settings. The previous (old) country code should no longer appear.