Move 2019 conferences to Past Conferences list (#2664)

Author: benhodgson87

content/community/conferences.md

@@ -12,16 +12,6 @@ Do you know of a local React.js conference? Add it here! (Please keep the list c
 
 ## Upcoming Conferences {#upcoming-conferences}
 
-### React Summit 2019 {#reactsummit2019}
-November 30, 2019 in Lagos, Nigeria
-
-[Website](https://reactsummit2019.splashthat.com) -[Twitter](https://twitter.com/react_summit)
-
-### React Day Berlin 2019 {#react-day-berlin-2019}
-December 6, 2019 in Berlin, Germany
-
-[Website](https://reactday.berlin) - [Twitter](https://twitter.com/reactdayberlin) - [Facebook](https://www.facebook.com/reactdayberlin/) - [Videos](https://www.youtube.com/reactdayberlin)
-
 ### React Barcamp Cologne 2020 {#react-barcamp-cologne-2020}
 February 1-2, 2020 in Cologne, Germany
 
@@ -485,3 +475,14 @@ October 25, 2019 in London, UK
 October 19, 2019 in São Paulo, BR
 
 [Website](https://reactconf.com.br/) - [Twitter](https://twitter.com/reactconfbr) - [Facebook](https://www.facebook.com/ReactAdvanced) - [Slack](https://react.now.sh/)
+
+### React Summit 2019 {#reactsummit2019}
+November 30, 2019 in Lagos, Nigeria
+
+[Website](https://reactsummit2019.splashthat.com) -[Twitter](https://twitter.com/react_summit)
+
+### React Day Berlin 2019 {#react-day-berlin-2019}
+December 6, 2019 in Berlin, Germany
+
+[Website](https://reactday.berlin) - [Twitter](https://twitter.com/reactdayberlin) - [Facebook](https://www.facebook.com/reactdayberlin/) - [Videos](https://www.youtube.com/reactdayberlin)
+