net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()

It is already assigned at mlx5e_build_rq_param()

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>