Slow parts update and using event for flaps, as sim. variable sets the flaps, but then always retracts it.

https://swift-project.slack.com/archives/G96QTUBEG/p1558454646002200

src/blackcore/simulator.cpp

@@ -934,7 +934,6 @@ namespace BlackCore
     bool ISimulator::isUpdateAircraftLimitedWithStats(qint64 startTime)
     {
         const bool limited = this->isUpdateAircraftLimited(startTime);
-        this->finishUpdateRemoteAircraftAndSetStatistics(startTime, limited);
         return limited;
     }