debian packaging - gpstime - rename calc_gps_offset.py to gpstime_module_config.py
requested to merge jonathan-hanks/advligorts:issue508_move_calc_gps_offset_part_b into debian/buster
- Rename and move where calc_gps_offset.py is installed to /sbin/gpstime_module_config
- this requires !495 (merged)
Part of #508 (closed)