Remove new user event handling on client (#4822)

api/team.go

@@ -303,11 +303,6 @@ func JoinUserToTeam(team *model.Team, user *model.User) *model.AppError {
 	RemoveAllSessionsForUserId(user.Id)
 	InvalidateCacheForUser(user.Id)
 
-	// This message goes to everyone, so the teamId, channelId and userId are irrelevant
-	message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_NEW_USER, "", "", "", nil)
-	message.Add("user_id", user.Id)
-	go Publish(message)
-
 	return nil
 }