Clean PX4 autopilot plugin

src/AutoPilotPlugins/PX4/PX4AutoPilotPlugin.cc

@@ -35,39 +35,6 @@
 ///     @brief This is the AutoPilotPlugin implementatin for the MAV_AUTOPILOT_PX4 type.
 ///     @author Don Gagne <don@thegagnes.com>
 
-enum PX4_CUSTOM_MAIN_MODE {
-    PX4_CUSTOM_MAIN_MODE_MANUAL = 1,
-    PX4_CUSTOM_MAIN_MODE_ALTCTL,
-    PX4_CUSTOM_MAIN_MODE_POSCTL,
-    PX4_CUSTOM_MAIN_MODE_AUTO,
-    PX4_CUSTOM_MAIN_MODE_ACRO,
-    PX4_CUSTOM_MAIN_MODE_OFFBOARD,
-    PX4_CUSTOM_MAIN_MODE_STABILIZED,
-    PX4_CUSTOM_MAIN_MODE_RATTITUDE
-
-};
-
-enum PX4_CUSTOM_SUB_MODE_AUTO {
-    PX4_CUSTOM_SUB_MODE_AUTO_READY = 1,
-    PX4_CUSTOM_SUB_MODE_AUTO_TAKEOFF,
-    PX4_CUSTOM_SUB_MODE_AUTO_LOITER,
-    PX4_CUSTOM_SUB_MODE_AUTO_MISSION,
-    PX4_CUSTOM_SUB_MODE_AUTO_RTL,
-    PX4_CUSTOM_SUB_MODE_AUTO_LAND,
-    PX4_CUSTOM_SUB_MODE_AUTO_RTGS,
-    PX4_CUSTOM_SUB_MODE_AUTO_FOLLOW_ME
-};
-
-union px4_custom_mode {
-    struct {
-        uint16_t reserved;
-        uint8_t main_mode;
-        uint8_t sub_mode;
-    };
-    uint32_t data;
-    float data_float;
-};
-
 PX4AutoPilotPlugin::PX4AutoPilotPlugin(Vehicle* vehicle, QObject* parent) :
     AutoPilotPlugin(vehicle, parent),
     _airframeComponent(NULL),
@@ -153,7 +120,8 @@ void PX4AutoPilotPlugin::_parametersReadyPreChecks(bool missingParameters)
     // Check for older parameter version set
     // FIXME: Firmware is moving to version stamp parameter set. Once that is complete the version stamp
     // should be used instead.
-    if (parameterExists(FactSystem::defaultComponentId, "SENS_GYRO_XOFF")) {
+    if (parameterExists(FactSystem::defaultComponentId, "SENS_GYRO_XOFF") ||
+            parameterExists(FactSystem::defaultComponentId, "COM_DL_LOSS_EN")) {
         _incorrectParameterVersion = true;
         qgcApp()->showMessage("This version of GroundControl can only perform vehicle setup on a newer version of firmware. "
                               "Please perform a Firmware Upgrade if you wish to use Vehicle Setup.");