Remove ubuntu-debootstrap:lucid (EOL)

https://lists.ubuntu.com/archives/ubuntu-announce/2015-April/000196.html

library/ubuntu-debootstrap

@@ -3,10 +3,6 @@
 # commits: (master..dist)
 #  - d73a8b7 2015-04-30 debootstraps
 
-10.04.4: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 10.04
-10.04: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 10.04
-lucid: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 10.04
-
 12.04.5: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 12.04
 12.04: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 12.04
 precise: git://github.com/tianon/docker-brew-ubuntu-debootstrap@d73a8b79dc510277b98265ab30adbd1514b88593 12.04