do not create "ubuntu" user for ubuntu-core anymore, the

console-conf package will create this user now

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.430) UNRELEASED; urgency=medium
+
+  * do not create "ubuntu" user for ubuntu-core anymore, the
+    console-conf package will create this user now
+
+ -- Michael Vogt <michael.vogt@ubuntu.com>  Fri, 02 Sep 2016 17:03:57 +0200
+
 livecd-rootfs (2.429) yakkety; urgency=medium
 
   * live-build/auto/build: Fix typo in netplan policy snippet.

live-build/ubuntu-core/hooks/01-setup_user.chroot

@@ -2,42 +2,23 @@
 
 set -e
 
-USER=ubuntu
-UGID=1000
+# There is no default user anymore, console-conf is responsible
+# for creating one
 
-echo "I: creating default user $USER"
-adduser --gecos $USER --disabled-login $USER --uid $UGID
-
-for extragroup in adm sudo; do
-    adduser $USER $extragroup
+# setup the required files for extrausers
+for name in group gshadow passwd shadow subuid subgid; do
+    touch /var/lib/extrausers/$name
 done
 
-chown -R $UGID:$UGID /home/$USER
+for name in gshadow shadow; do
+    chmod 640 /var/lib/extrausers/$name
+    chown root:shadow /var/lib/extrausers/$name
+done
 
 # Enable libnss-extrusers
 sed -i 's/^group:.*compat/\0 extrausers/' /etc/nsswitch.conf
 sed -i 's/^passwd:.*compat/\0 extrausers/' /etc/nsswitch.conf
 sed -i 's/^shadow:.*compat/\0 extrausers/' /etc/nsswitch.conf
 
-# Move user from /etc to extrausers location
-grep "^$USER" /etc/group >> /var/lib/extrausers/group
-grep "^$USER" /etc/passwd >> /var/lib/extrausers/passwd
-grep "^$USER" /etc/shadow >> /var/lib/extrausers/shadow
-grep "^$USER" /etc/gshadow >> /var/lib/extrausers/gshadow
-chmod 0644 /var/lib/extrausers/group
-chmod 0644 /var/lib/extrausers/passwd
-chmod 0640 /var/lib/extrausers/shadow
-chmod 0640 /var/lib/extrausers/gshadow
-chown root:shadow /var/lib/extrausers/shadow
-chown root:shadow /var/lib/extrausers/gshadow
-sed -i "/^$USER/d" /etc/group
-sed -i "/^$USER/d" /etc/passwd
-sed -i "/^$USER/d" /etc/shadow
-sed -i "/^$USER/d" /etc/gshadow
-touch /var/lib/extrausers/subuid
-touch /var/lib/extrausers/subgid
-
-# needs to run *after* the user was moved out to /var/lib/extrausers
-echo "I: set user $USER password to $USER"
-echo "$USER:$USER" | chpasswd
+