RTE_LIBRTE_SECURITY_TEST never existed, the variable under this check is
never used.
Fixes: e117c18a1dbe ("crypto/dpaa2_sec: restructure session management")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>