chore(coreos-base): remove unused ebuilds

Remove leftover things from chromeos
chore(net-wireless/*): remove everything

Lets not worry about having coreos support wireless for now :)
chore(dev-java/icedtea6-bin): remove
chore(dev-embedded): remove uneeded ebuilds
chore(x11-drivers): remove unneeded ebuilds
Merge pull request #55 from philips/pair-down-ebuilds

Pair down ebuilds