Remove Ubuntu 14.10 (Utopic Unicorn), EOL

https://lists.ubuntu.com/archives/ubuntu-announce/2015-July/000198.html

library/ubuntu

@@ -8,7 +8,6 @@
 #  - 4f7764b Update tarballs
 #    - `ubuntu:precise`: 20150626
 #    - `ubuntu:trusty`: 20150630
-#    - `ubuntu:utopic`: 20150625
 #    - `ubuntu:vivid`: 20150611
 #    - `ubuntu:wily`: 20150708
 
@@ -25,11 +24,6 @@ trusty-20150630: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271
 trusty: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 trusty
 latest: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 trusty
 
-# 20150625
-14.10: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 utopic
-utopic-20150625: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 utopic
-utopic: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 utopic
-
 # 20150611
 15.04: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 vivid
 vivid-20150611: git://github.com/tianon/docker-brew-ubuntu-core@4f7764b8eb70271b6a736341e090699fe058a198 vivid

library/ubuntu-debootstrap

@@ -12,9 +12,6 @@ precise: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf
 trusty: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 14.04
 latest: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 14.04
 
-14.10: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 14.10
-utopic: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 14.10
-
 15.04: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 15.04
 vivid: git://github.com/tianon/docker-brew-ubuntu-debootstrap@93120c3d8c90fdcf5e08e984558fcc4a67d78072 15.04