Remove international char from comment causing compiles to fail

src/ADSB/ADSBVehicle.h

@@ -67,12 +67,6 @@ signals:
     void alertChanged       ();
 
 private:
-    /* According with Thomas Voß, we should be using 2 minutes for the time being
-    static constexpr qint64 expirationTimeoutMs = 5000; ///< timeout with no update in ms after which the vehicle is removed.
-                                                        ///< AirMap sends updates for each vehicle every second.
-    */
-    static constexpr qint64 expirationTimeoutMs = 120000;
-
     uint32_t        _icaoAddress;
     QString         _callsign;
     QGeoCoordinate  _coordinate;
@@ -81,6 +75,9 @@ private:
     bool            _alert;
 
     QElapsedTimer   _lastUpdateTimer;
+
+    static constexpr qint64 expirationTimeoutMs = 120000;   ///< timeout with no update in ms after which the vehicle is removed.
+                                                            ///< AirMap sends updates for each vehicle every second.
 };
 
 Q_DECLARE_METATYPE(ADSBVehicle::VehicleInfo_t)