Rover: move setting of compass sys_status bits up

APMrover2/GCS_Rover.cpp

@@ -23,10 +23,6 @@ bool GCS_Rover::supersimple_input_active() const
 void GCS_Rover::update_vehicle_sensor_status_flags(void)
 {
     // first what sensors/controllers we have
-    if (AP::compass().enabled()) {
-        control_sensors_present |= MAV_SYS_STATUS_SENSOR_3D_MAG;
-        control_sensors_enabled |= MAV_SYS_STATUS_SENSOR_3D_MAG;
-    }
     const AP_GPS &gps = AP::gps();
     if (gps.status() > AP_GPS::NO_GPS) {
         control_sensors_present |= MAV_SYS_STATUS_SENSOR_GPS;
@@ -62,11 +58,6 @@ void GCS_Rover::update_vehicle_sensor_status_flags(void)
         control_sensors_health |= MAV_SYS_STATUS_SENSOR_XY_POSITION_CONTROL; // X/Y position control
     }
 
-    AP_AHRS &ahrs = AP::ahrs();
-
-    if (AP::compass().enabled() && AP::compass().healthy(0) && ahrs.use_compass()) {
-        control_sensors_health |= MAV_SYS_STATUS_SENSOR_3D_MAG;
-    }
     if (gps.is_healthy()) {
         control_sensors_health |= MAV_SYS_STATUS_SENSOR_GPS;
     }