README: Simplify the example command even further
README: Simplify the example command even further

We no longer need to loop mount the clear linux container image and add
it to our shared directory. We need to pass virtc a bundle instead.

Signed-off-by: Samuel Ortiz <0ba86cb3f08bbb861958e54bd3438887adb4263c@linux.intel.com>

wcwxyz/virtcontainers,containers/virtcontainers,containers/virtcontainers,wcwxyz/virtcontainers,wcwxyz/virtcontainers