templates/ubuntu: conditionally move upstart ssh job, as it is now optional.
templates/ubuntu: conditionally move upstart ssh job, as it is now optional.

Mimic the code from the debian template.

Signed-off-by: Dimitri John Ledkov <446b8b5d376e3ab2e6b2d5d0d93dc2d3de728b2c@ubuntu.com>

terceiro/lxc,caglar10ur/lxc,thmo/lxc,federicobriata/lxc,hallyn/lxc,ss1h2a3tw/lxc,thmo/lxc,thmo/lxc,ss1h2a3tw/lxc,hallyn/lxc,caglar10ur/lxc,hallyn/lxc,caglar10ur/lxc,federicobriata/lxc,terceiro/lxc,terceiro/lxc,ss1h2a3tw/lxc,federicobriata/lxc