Remove React Week 2020 from conferences list

Author: sophiebits

content/community/conferences.md

@@ -88,11 +88,6 @@ June 15, 2020. Tel Aviv, Israel.
 [Website](https://react-next.com/) - [Twitter](https://twitter.com/reactnext) - [Facebook](https://www.facebook.com/ReactNext2016/) 
 
 
-### React Week NY 2020 {#react-week-NY-2020}
-July 17, 2020. New York City, USA.
-
-[Website](https://reactweek.nyc/) - [Twitter](https://twitter.com/reactweek) - [Facebook](https://www.facebook.com/reactweek) 
-
 ## Past Conferences {#past-conferences}
 
 ### React.js Conf 2015 {#reactjs-conf-2015}