net/mlx5e: E-Switch, Remove flow_source check for metadata matching

There is no reason to check for flow_source cap to allow metadata
matching. When flow_source match is being used the flow_source cap
is being checked.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

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

@@ -2827,9 +2827,6 @@ bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw)
 	      MLX5_FDB_TO_VPORT_REG_C_0))
 		return false;
 
-	if (!MLX5_CAP_ESW_FLOWTABLE(esw->dev, flow_source))
-		return false;
-
 	return true;
 }