offboard_control_setpoint: armed does not make sense there

src/modules/uORB/topics/offboard_control_setpoint.h

@@ -69,7 +69,7 @@ struct offboard_control_setpoint_s {
 	uint64_t timestamp;
 
 	enum OFFBOARD_CONTROL_MODE mode;		 /**< The current control inputs mode */
-	bool armed;	/**< Armed flag set, yes / no */
+
 	float p1;	/**< ailerons roll / roll rate input */
 	float p2;	/**< elevator / pitch / pitch rate */
 	float p3;	/**< rudder / yaw rate / yaw */