converter remove verbose flag in tar creation
converter remove verbose flag in tar creation

The verbose flag is not needed when creating the repacked image.

Signed-off-by: Ryan Harper <7c8ea25f69f5166c51151e84bf5db678c2384828@canonical.com>

mmasaki/nova-compute-lxd,mmasaki/nova-compute-lxd,tpouyer/nova-lxd,tpouyer/nova-lxd,Saviq/nova-compute-lxd,Saviq/nova-compute-lxd