Comment 4 for bug 1898042

After some clean up and removing the package you mentioned I managed to upgrade with some hiccups.
The PC froze when the upgrade was at 80%
After reboot I continued with the usual apt update & upgrade & dist-upgrade
Reinstalled kisak/mesa and other ppa

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal