refactor: remove legacy battery reporting toggle path

examples/simple_sensor/SensorMesh.cpp

@@ -731,7 +731,7 @@ SensorMesh::SensorMesh(mesh::MainBoard& board, mesh::Radio& radio, mesh::Millise
   _prefs.gps_enabled = 0;
   _prefs.gps_interval = 0;
   _prefs.advert_loc_policy = ADVERT_LOC_PREFS;
-  _prefs.battery_reporting_enabled = 1;
+  _prefs.reserved_290 = 0;
   memset(default_scope.key, 0, sizeof(default_scope.key));
 }
 
@@ -771,7 +771,6 @@ void SensorMesh::begin(FILESYSTEM* fs) {
   updateFloodAdvertTimer();
 
    board.setAdcMultiplier(_prefs.adc_multiplier);
-   board.setBatteryReporting(_prefs.battery_reporting_enabled);
 
 #if ENV_INCLUDE_GPS == 1
   applyGpsPrefs();