"Dear [name], as a Pro member continue to enjoy the benefits of unlimited space, an ad free experience and stats."
"Smile [username]. Flickr gives you one free terabyte of space. Share your photos in full resolution. See what's new Pro members, your subscription remains the same."
It seems Pro is still here.
As I understand it, accounts that were originally a gift, like mine, don't get the recurring transaction treatment. This makes sense, but only up to a point, that point being where the owner of the account renews it with a different credit card and it becomes truly "theirs".
I am not sure that flickr gave this scenario due consideration, there must be a lot of people who received pro as a gift but have since paid to renew it will be unable to benefit from the reduced "grandfathered" price of $25.