Start work on 1:0.2.98.4
Revert "debian/tests/system, tests/ubuntu_drivers.py: fix the relevant tests now that linux-firmware-nonfree has replaced bcmwl."

This reverts commit 233a49e2f98e1030371fcecbaff7838ed26eb30e.

Fixes LP: #1374126
Revert "UbuntuDrivers/detect.py: autoinstall linux-firmware-nonfree"

This reverts commit 19406b72cece64c546af8d121b16ab4746c8953f.
Revert "UbuntuDrivers/detect.py: do not autoinstall the broadcom driver"

This reverts commit b0b26ed90483e73cd9659e88e699e20a1f686ff1.
Release 1:0.2.98.4