do not forcefully use the admin group on touch images. this group was dropped in favour of the sudo group several releases ago

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.177) UNRELEASED; urgency=low
+
+  * do not forcefully use the admin group on touch images. this group was
+    dropped in favour of the sudo group several releases ago
+
+ -- Oliver Grawert <ogra@ubuntu.com>  Mon, 26 Aug 2013 16:51:13 +0200
+
 livecd-rootfs (2.176) saucy; urgency=low
 
   * preserve a symlink of media-info for backwards compatibility

live-build/ubuntu-touch/hooks/02-add_user_to_groups.chroot

@@ -2,15 +2,8 @@
 
 USER=phablet
 
-DEFGROUPS="tty,admin,adm,dialout,cdrom,plugdev,audio,dip,video,gps,radio,bluetooth,android_net,android_net2,android_net3,android_graphics,android_input,sdcard_rw"
+DEFGROUPS="tty,sudo,adm,dialout,cdrom,plugdev,audio,dip,video,gps,radio,bluetooth,android_net,android_net2,android_net3,android_graphics,android_input,sdcard_rw"
 
-/bin/egrep  -i "^admin:" /etc/group
-if [ $? -eq 0 ]; then
-   echo "User admin exists in /etc/group"
-else
-   echo "User admin does not exists in /etc/group must create"
-   groupadd admin
-fi
 /bin/egrep  -i "^audio:" /etc/group
 if [ $? -eq 0 ]; then
    # Needed to change group id as audio is already created by ubuntu