RDMA/mlx5: Delete never supported IPsec flow action

The IPSEC_REQUIRED_METADATA capability bit is never set, and can be
safely removed from the flow action flags.

Link: https://lore.kernel.org/r/697cd60bd5c9b6a004c449c1a41c2798fac844ff.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

drivers/infiniband/hw/mlx5/main.c

@@ -1797,15 +1797,11 @@ static int set_ucontext_resp(struct ib_ucontext *uctx,
 		if (mlx5_get_flow_namespace(dev->mdev,
 				MLX5_FLOW_NAMESPACE_EGRESS))
 			resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM;
-		if (mlx5_accel_ipsec_device_caps(dev->mdev) &
-				MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA)
-			resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA;
 		if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
 			resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING;
 		if (mlx5_accel_ipsec_device_caps(dev->mdev) &
 				MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN)
 			resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN;
-		/* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */
 	}
 
 	resp->tot_bfregs = bfregi->lib_uar_dyn ? 0 :