Remove broken link in `_posts/2016-09-0.10.md ` (#3161)

Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>

website/src/_posts/2016-09-0.10.md

@@ -15,7 +15,7 @@ We have done a lot of research. We created [prototypes of Uppy React components]
 
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-Finally, we are also discussing using [Redux](https://github.com/reactjs/redux) as the internal state management store within Uppy.  You can see some drafts under the [`src/experimental` folder](https://github.com/transloadit/uppy/tree/master/src/experimental).
+Finally, we are also discussing using [Redux](https://github.com/reactjs/redux) as the internal state management store within Uppy.  You can see some drafts under the `src/experimental` folder (EDIT: this folder has since been removed).
 
 Have a look at the [Uppy Base repository here](https://github.com/hedgerh/uppy-base).