Hide settingsFacts irrelevant for Sub

src/FirmwarePlugin/APM/ArduSubFirmwarePlugin.cc

@@ -127,6 +127,9 @@ ArduSubFirmwarePlugin::ArduSubFirmwarePlugin(void):
 
     _factRenameMap[QStringLiteral("altitudeRelative")] = QStringLiteral("Depth");
     _factRenameMap[QStringLiteral("flightTime")] = QStringLiteral("Dive Time");
+    _factRenameMap[QStringLiteral("altitudeAMSL")] = QStringLiteral("");
+    _factRenameMap[QStringLiteral("hobbs")] = QStringLiteral("");
+    _factRenameMap[QStringLiteral("airSpeed")] = QStringLiteral("");
 }
 
 QList<MAV_CMD> ArduSubFirmwarePlugin::supportedMissionCommands(void)

src/FlightMap/Widgets/ValuePageWidget.qml

@@ -222,6 +222,7 @@ Column {
 
                     RowLayout {
                         spacing: _margins
+                        visible: factGroup.getFact(modelData).shortDescription !== ""
 
                         property string propertyName: factGroupName + "." + modelData