Weren't we told, some time ago, that the owner of a blog can't be removed from its Permissions?
One of those accounts should not have a "Remove" link, nor a clickable "admin" link.
I'm not testing this here though. I like this blog. But, I can test it on another blog.
Is this another change made in silence?
An Important Update
If you did not use a Blogger / Google account when you Followed this blog, years ago, you are probably not Following now . During the past...