do not leave some packages in ^rc state on snappy/ubuntu-core

(LP: #1428115). Thanks to Daniel Holbach

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.291) UNRELEASED; urgency=low
+
+  * do not leave some packages in ^rc state on snappy/ubuntu-core
+    (LP: #1428115). Thanks to Daniel Holbach
+
+ -- Michael Vogt <michael.vogt@ubuntu.com>  Wed, 04 Mar 2015 16:24:28 +0100
+
 livecd-rootfs (2.290) vivid; urgency=medium
 
   * touch: Explicitly uninstall systemd-sysv, to help apt to install upstart

live-build/ubuntu-core/hooks/11-remove-extra-packages.chroot

@@ -3,9 +3,9 @@
 set -e
 
 # we want a really minimal image
-apt-get remove -y locales
+apt-get purge -y locales
 
 # this will also get rid of libqt5 - this can be removed once
 # system-image-cli in vivid does no longer depend on 
 # ubuntu-download-manager
-apt-get remove -y libicu52
+apt-get purge -y libicu52