bluemote: eth0 -> enp0s3
Revert "allow unfree packages"

This reverts commit 6e2ee0d2d793119b206197e191ac37e3b15cdb10.
drop unfree NeoLoad
drop unfree flash support
drop unfree google earth
drop unfree skype
ffmpeg: remove unfree fdk aac support
disable intel non-free microcode
bluescreen: switch nvidia to nouveau