The autotest.sh script is already running as root, so we should not need
to change the permissions on /dev/nvme-fabrics. This block has just
been cargo-culted across the various NVMe-oF test scripts.
Change-Id: I078ebf102d3fc354e42be9c6f1fc37481ffae291
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>