I had the same issue. Here is what I was finally told: The Setup Guide in your screenshot is designed to be available for 8 weeks and cannot currently be removed during that period. You'll only be able to minimize or expand the Setup Guide as needed. After 8 weeks, the Setup Guide will be removed automatically.
I had the same issue. Here is what I was finally told: The Setup Guide in your screenshot is designed to be available for 8 weeks and cannot currently be removed during that period. You'll only be able to minimize or expand the Setup Guide as needed. After 8 weeks, the Setup Guide will be removed automatically.