[whatwg/xhr] Editorial: move Feature Policy Integration section (#199)

I'm not sure how I missed this, but this should not be a subsection of `ProgressEvent`. (The casing should also be fixed.)

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/xhr/issues/199

Received on Wednesday, 11 April 2018 16:43:31 UTC