Removed ^replying in preparation for 0.6.0

web/react/utils/constants.jsx

@@ -18,7 +18,6 @@ module.exports = {
     RECIEVED_POST_SELECTED: null,
     RECIEVED_MENTION_DATA: null,
     RECIEVED_ADD_MENTION: null,
-    RECEIVED_ACTIVE_THREAD_CHANGED: null,
 
     RECIEVED_PROFILES: null,
     RECIEVED_ME: null,