usertools: remove dpdk-setup.sh

usertools: remove dpdk-setup.sh

This old script relied on deprecated stuff, and especially make.
It also applied some scary 666 permissions on files under /dev/vfio.

Its deprecation had been notified in a previous release, remove it.

Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>