Do not update forwarding configuration when attaching or detaching a port
Remove checks on test_done variable.
Remove code to update forwarding configuration.
Fixes: edab33b1c01d ("app/testpmd: support port hotplug")
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com> Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>