net/mlx5e: Remove redundant assignment

Remove redundant assignment to tun_entropy->enabled.

Addesses-Coverity-ID: 1477328 ("Unused value")
Fixes: 97417f6182f8 ("net/mlx5e: Fix GRE key by controlling port tunnel entropy calculation")
Signed-off-by: Gustavo A. R. Silva <[e-mail]>
Reviewed-by: Roi Dayan <[e-mail]>
Reviewed-by: Eli Britstein <[e-mail]>
Acked-by: Leon Romanovsky <[e-mail]>
Acked-by: Saeed Mahameed <[e-mail]>
Signed-off-by: Saeed Mahameed <[e-mail]>

drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c

···
 	mlx5_query_port_tun_entropy(mdev, &entropy_flags);
 	tun_entropy->num_enabling_entries = 0;
 	tun_entropy->num_disabling_entries = 0;
-	tun_entropy->enabled = entropy_flags.calc_enabled;
-	tun_entropy->enabled =
-		(entropy_flags.calc_supported) ?
-		entropy_flags.calc_enabled : true;
+	tun_entropy->enabled = entropy_flags.calc_supported ?
+			       entropy_flags.calc_enabled : true;
 }
 
 static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy,