autostart scripts: remove SYS_PARAM_VER

With the airframe defaults there's no use for that anymore

src/modules/local_position_estimator/BlockLocalPositionEstimator.hpp

@@ -401,8 +401,6 @@ private:
 
 
 	DEFINE_PARAMETERS(
-		(ParamInt<px4::params::SYS_AUTOSTART>) _param_sys_autostart,   /**< example parameter */
-
 		// general parameters
 		(ParamInt<px4::params::LPE_FUSION>) _param_lpe_fusion,
 		(ParamFloat<px4::params::LPE_VXY_PUB>) _param_lpe_vxy_pub,

src/modules/mavlink/mavlink_parameters.cpp

@@ -309,7 +309,6 @@ MavlinkParametersManager::send()
 		param_find("SENS_BOARD_Y_OFF");
 		param_find("SENS_BOARD_Z_OFF");
 		param_find("SENS_DPRES_OFF");
-		param_find("SYS_PARAM_VER");
 		param_find("TRIG_MODE");
 		param_find("UAVCAN_ENABLE");