fix: remove obsolete attributes from config.json

changes:
- removed unused attributes from config.json

cli/sensor/sensor.go

@@ -164,7 +164,7 @@ func addSensor(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	sensor.DeviceID = cnf.Device.ID
+	sensor.DeviceID = cnf.DeviceID
 
 	dsnURL, err := url.Parse(cnf.DSN)
 	if err != nil {
@@ -292,7 +292,7 @@ func listSensors(cmd *cobra.Command, args []string) error {
 	}
 
 	// add sensor entry to list
-	sensors, err := repo.GetSensorsByDeviceID(cnf.Device.ID)
+	sensors, err := repo.GetSensorsByDeviceID(cnf.DeviceID)
 	if err != nil {
 		return err
 	}