Plane: avoidance no longer takes ahrs in constructor

ArduPlane/Plane.h

@@ -673,7 +673,7 @@ private:
     AP_ADSB adsb;
 
     // avoidance of adsb enabled vehicles (normally manned vheicles)
-    AP_Avoidance_Plane avoidance_adsb{ahrs, adsb};
+    AP_Avoidance_Plane avoidance_adsb{adsb};
 
     // Outback Challenge Failsafe Support
 #if ADVANCED_FAILSAFE == ENABLED

ArduPlane/avoidance_adsb.h

@@ -8,10 +8,8 @@
 // functionality - for example, not doing anything while landed.
 class AP_Avoidance_Plane : public AP_Avoidance {
 public:
-    AP_Avoidance_Plane(AP_AHRS &ahrs, class AP_ADSB &adsb)
+
-        : AP_Avoidance(ahrs, adsb)
+    using AP_Avoidance::AP_Avoidance;
-    {
-    }
 
     /* Do not allow copies */
     AP_Avoidance_Plane(const AP_Avoidance_Plane &other) = delete;