In the removal function, PMD releases all driver resources and
cancels the regexdev registry.
However, regexdev registration is accidentally canceled twice.
Remove one of them.
Fixes: b34d816363b5 ("regex/mlx5: support rules import")
Cc: stable@dpdk.org
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>