net/mlx5: E-switch, remove special uplink ingress ACL handling

As both uplinks set the same metadata there is no need to merge
the ACL handling of both into a single one.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>