Harry and disgracefully Andrew, are still there the 'scaled down' but also EXPANDED list of counsellors of state
You seem to have misunderstood. This is a way to avoid increasing the number of working royals.
Leaving aside the Consort, there are 4 - the next adults in line to the throne.
So without the overseas resident and the disgraced dukes, that would be William, Beatrice, Eugenie and Edward. But two of them aren't working royals, and for many items of business, two CoS are required.
So better to add two working royals, tan give a formal role to another non-working