Plane: Remove tecs_hgt_afe from the 50hz tecs update

ArduPlane/ArduPlane.cpp

@@ -190,7 +190,7 @@ void Plane::update_speed_height(void)
 	    // Call TECS 50Hz update. Note that we call this regardless of
 	    // throttle suppressed, as this needs to be running for
 	    // takeoff detection
-        SpdHgt_Controller->update_50hz(tecs_hgt_afe());
+        SpdHgt_Controller->update_50hz();
     }
 }