I have a self-hosted WordPress blog. That wordpress blog is tied to the global dashboard at wordpress.com by my API, the same API that is used for WordPress.com stats, which I am using on my self-hosted blog. Which, to be absolutely clear, was downloaded from wordpress.org and is hosted at timwheatley.org. Clearer?
Even when you have a self-hosted blog, you can login to the global .com dashboard with your account (actually required to get an API) and view your stats there. You can also watch other blogs (both .com and .org blogs - as long as they have .com stats).
I want to remove a blog which hasn't had an active post - and hasn't existed - for months, from my stats, which are linked to the global dashboard, by wordpress.com stats.
Sorry for the long winded reply, but I think it appears needed.