The "account" is technically still active because you aren't really changing the account itself, you are just removing roles and permissions at this point.
The user based on your screenshot will not have access to Analytics... but their account still exists.
To remove them from your user lists, in the main user list... there are checkboxes next to users names... once you check at least one user (you can also select multiple), a new option appears to remove the user(s):