net/mlx5: Remove VLAN insertion fields from WQE Ether segment

Now that the driver no longer uses VLAN TX insertion via the WQE
Ethernet segment, the related fields and flags can be removed.

Signed-off-by: Carolina Jubran <[e-mail]>
Signed-off-by: Tariq Toukan <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Reviewed-by: Simon Horman <[e-mail]>
Signed-off-by: Leon Romanovsky <[e-mail]>

include/linux/mlx5/qp.h

···
 };
 
 enum {
-	MLX5_ETH_WQE_SVLAN              = 1 << 0,
 	MLX5_ETH_WQE_TRAILER_HDR_OUTER_IP_ASSOC = 1 << 26,
 	MLX5_ETH_WQE_TRAILER_HDR_OUTER_L4_ASSOC = 1 << 27,
 	MLX5_ETH_WQE_TRAILER_HDR_INNER_IP_ASSOC = 3 << 26,
 	MLX5_ETH_WQE_TRAILER_HDR_INNER_L4_ASSOC = 1 << 28,
 	MLX5_ETH_WQE_INSERT_TRAILER     = 1 << 30,
-	MLX5_ETH_WQE_INSERT_VLAN        = 1 << 15,
 };
 
 enum {
···
 				DECLARE_FLEX_ARRAY(u8, data);
 			};
 		} inline_hdr;
-		struct {
-			__be16 type;
-			__be16 vlan_tci;
-		} insert;
 		__be32 trailer;
 	};
 };