Remove radeonkmsfw firmware files

[emaste]

Summary

Drivers were removed in rS344299.

[johalun]

Is the folder deleted too?
sys/contrib/dev/drm2/radeonkmsfw should be empty after this. Even sys/contrib/dev/drm2 could be deleted.

[emaste]

In D19583#419202, @johalun wrote:

Is the folder deleted too?
sys/contrib/dev/drm2/radeonkmsfw should be empty after this. Even sys/contrib/dev/drm2 could be deleted.

Thanks for the note - this review is created from a commit in my WIP git tree - if/when merging to SVN for commit I will remove the empty directories.

[imp]

Doh! How'd I miss that?