The RTE_ETH_DEV_CLOSE_REMOVE support has been enabled in
virtio-user, private resources for the port will be freed
by rte_eth_dev_close(), so there is no need to have this
workaround anymore.
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>