sld delete-file --destination path_on_sd_card [--target target] [--password password] [--username umac_username] [--certificate path_to_certfile] [--log log_level]
sld delete-file --destination path_on_sd_card [--target target] [--password password] [--username umac_username] [--certificate path_to_certfile] [--log log_level]