net/mlx5e: IPsec, Remove unnecessary config flag usage

MLX5_IPSEC_DEV() is always defined, no need to protect it under config
flag CONFIG_MLX5_EN_IPSEC, especially in slow path.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Huy Nguyen <huyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -2068,10 +2068,8 @@ static void mlx5e_build_rq_frags_info(struct mlx5_core_dev *mdev,
 	u32 buf_size = 0;
 	int i;
 
-#ifdef CONFIG_MLX5_EN_IPSEC
 	if (MLX5_IPSEC_DEV(mdev))
 		byte_count += MLX5E_METADATA_ETHER_LEN;
-#endif
 
 	if (mlx5e_rx_is_linear_skb(params, xsk)) {
 		int frag_stride;

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

@@ -1786,12 +1786,10 @@ int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool
 		rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe;
 
 		rq->handle_rx_cqe = priv->profile->rx_handlers->handle_rx_cqe_mpwqe;
-#ifdef CONFIG_MLX5_EN_IPSEC
 		if (MLX5_IPSEC_DEV(mdev)) {
 			netdev_err(netdev, "MPWQE RQ with IPSec offload not supported\n");
 			return -EINVAL;
 		}
-#endif
 		if (!rq->handle_rx_cqe) {
 			netdev_err(netdev, "RX handler of MPWQE RQ is not set\n");
 			return -EINVAL;