Disable battery swap point display

Number calc doesn't work so hiding for now

src/MissionManager/MissionController.cc

@@ -1084,6 +1084,9 @@ void MissionController::_updateBatteryInfo(int waypointIndex)
         _missionFlightStatus.hoverAmpsTotal = (_missionFlightStatus.hoverTime / 60.0) * _missionFlightStatus.hoverAmps;
         _missionFlightStatus.cruiseAmpsTotal = (_missionFlightStatus.cruiseTime / 60.0) * _missionFlightStatus.cruiseAmps;
         _missionFlightStatus.batteriesRequired = ceil((_missionFlightStatus.hoverAmpsTotal + _missionFlightStatus.cruiseAmpsTotal) / _missionFlightStatus.ampMinutesAvailable);
+        // FIXME: Battery change point code pretty much doesn't work. The reason is that is treats complex items as a black box. It needs to be able to look
+        // inside complex items in order to determine a swap point that is interior to a complex item. Current the swap point display in PlanToolbar is
+        // disabled to do this problem.
         if (waypointIndex != -1 && _missionFlightStatus.batteriesRequired == 2 && _missionFlightStatus.batteryChangePoint == -1) {
             _missionFlightStatus.batteryChangePoint = waypointIndex - 1;
         }

src/PlanView/PlanToolBar.qml

@@ -283,13 +283,15 @@ Rectangle {
             }
 
             Item { width: 1; height: 1 }
-
+/*
+            FIXME: Swap point display is currently hidden since the code which calcs it doesn't work correctly
             QGCLabel { text: qsTr("Swap waypoint:"); font.pointSize: _dataFontSize; }
             QGCLabel {
                 text:                   _batteryChangePointText
                 font.pointSize:         _dataFontSize
                 Layout.minimumWidth:    _mediumValueWidth
             }
+*/
         }
     }