refs #602, emoved web service provider

* webservices now directly accessible via sGui
* interface no longer needed
* no init of provider (setProvider) needed anymore

src/blackcore/contextnetworkimpl.h

@@ -238,7 +238,6 @@ namespace BlackCore
     private:
         CAirspaceMonitor              *m_airspace = nullptr;
         INetwork                      *m_network  = nullptr;
-        QList<QMetaObject::Connection> m_webReaderSignalConnections;
         INetwork::ConnectionStatus     m_currentStatus = INetwork::Disconnected; //!< used to detect pending connections
         QTimer                        *m_networkDataUpdateTimer = nullptr;       //!< general updates such as ATIS, frequencies, see requestDataUpdates()
 
@@ -250,9 +249,6 @@ namespace BlackCore
         //! Own aircraft from \sa CContextOwnAircraft
         const BlackMisc::Simulation::CSimulatedAircraft ownAircraft() const;
 
-        //! Disconnect all signals from swift DB readers
-        void disconnectReaderSignals();
-
     private slots:
         //! Update METAR collection
         void ps_updateMetars(const BlackMisc::Weather::CMetarSet &metars);