Remove unneeded variable

core/backends/devicelink.cpp

@@ -24,7 +24,6 @@
 
 DeviceLink::DeviceLink(const QString& deviceId, LinkProvider* parent)
     : QObject(parent)
-    , m_privateKey(KdeConnectConfig::instance()->privateKey())
     , m_deviceId(deviceId)
     , m_linkProvider(parent)
     , m_pairStatus(NotPaired)

core/backends/devicelink.h

@@ -67,9 +67,6 @@ Q_SIGNALS:
     void pairingError(const QString& error);
     void receivedPacket(const NetworkPacket& np);
 
-protected:
-    QCA::PrivateKey m_privateKey;
-
 private:
     const QString m_deviceId;
     LinkProvider* m_linkProvider;