drop bashrc mangling from ubuntu-touch builds

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.161) UNRELEASED; urgency=low
+
+  * drop bashrc mangling from ubuntu-touch builds \o/
+
+ -- Oliver Grawert <ogra@ubuntu.com>  Wed, 17 Jul 2013 16:30:12 +0200
+
 livecd-rootfs (2.160) saucy; urgency=low
 
   * Do the same trick as in 2.158 for kubuntu armhf+omap4 too.

live-build/ubuntu-touch/hooks/48-setup-env.chroot

@@ -26,7 +26,3 @@ LANGUAGE=en_US:en
 QT_IM_MODULE=maliitphablet
 HUD_NO_STORE_USAGE_DATA=1
 INDICATOR_ALLOW_NO_WATCHERS=1" > /etc/environment
-
-echo -e "\n# export the phablet shell dbus session on normal login shells
-source /home/phablet/.cache/upstart/dbus-session
-export DBUS_SESSION_BUS_ADDRESS" >> /home/phablet/.bashrc