chore(x11-*): remove all x11 packages

we don't need x11 anymore after remove crosh. Dump all of these ebuilds.
chorse(coreos-base/hard-host-depends): remove m17n

remove m17n means that we no longer depend on x11 in the sdk.
Merge pull request #58 from philips/remove-all-x11

chore(x11-*): remove all x11 packages