To uninstall firmware-amd-graphics just follow these instructions.
/parrot/jollyroger/non-free///install/index.html Binary firmware for AMD/ATI graphics chips supported by the radeon, amdgpu and r128 drivers. Parrot 3.7 non-free/kernel 20170404-0parrot0
sudo apt-get remove firmware-amd-graphics
Which will remove just the firmware-amd-graphics package itself.
sudo apt-get remove --auto-remove firmware-amd-graphics
This will remove the firmware-amd-graphics package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for firmware-amd-graphics then this will work.
sudo apt-get purge firmware-amd-graphics
Or similarly, like this firmware-amd-graphics
sudo apt-get purge --auto-remove firmware-amd-graphics
|Maintainer||Debian Kernel Team
|Description||Binary firmware for AMD/ATI graphics chips supported by the radeon, amdgpu and r128 drivers.|