Added an update for 'maxDuration' removal from Suspense and changed the date format to DD MMM YYYY to conform with the TimeLine dates. swyxio#22

Author: dance2die

apis/react-suspense.md

@@ -31,7 +31,8 @@ This is not final but priorities have an associated duration that may supercede
 
 Actual duration works like `Math.min(how long it took, maxDuration of Suspense, duration associated with priority of update)`.
 
-Update Jan 27 2019: [maxDuration is too hard to explain, will be dropped for something else](https://twitter.com/sebmarkbage/status/1089704030920556549)
+- Update 12 Jul 2019: maxDuration has been removed from [React](https://github.com/facebook/react/pull/15272) and [Flow](https://github.com/facebook/flow/pull/7613)
+- Update 27 Jan 2019: [maxDuration is too hard to explain, will be dropped for something else](https://twitter.com/sebmarkbage/status/1089704030920556549)
 
 ## `<Suspense>` Example