lxc-ubuntu: Rename from lxc-ubuntu.in

lxc-ubuntu no longer uses any build time variables, therefore it can
now be simply copied to the target without any autoconf magic.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>

configure.ac

@@ -244,7 +244,6 @@ AC_CONFIG_FILES([
 	templates/Makefile
 	templates/lxc-lenny
 	templates/lxc-debian
-	templates/lxc-ubuntu
 	templates/lxc-ubuntu-cloud
 	templates/lxc-opensuse
 	templates/lxc-busybox