Documentation should not discuss flashing (proprietary) firmware for modem
Currently the "Mini-Tutorials" have a section on flashing modem firmware:
Firstly, we no longer use that Sierra Wireless modem. Second, providing instructions on how to flash proprietary firmware is a problem from the perspective of the FSF, both for the Librem 5's potential RYF certification and PureOS's listing as a GNU-FSDG satisfying distribution:
We should remove this section on the firmware flashing and remove mention of the MC7455 as this will just confuse people.