net/mlx5: Don't rely on interface state bit

The check of MLX5_INTERFACE_STATE_UP is completely useless, because
the FW tracer cleanup is called on every change of the interface
and it ensures that notifier is disabled together with canceling
all the pending works.
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c

@@ -1126,7 +1126,6 @@ static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void
 
 	switch (eqe->sub_type) {
 	case MLX5_TRACER_SUBTYPE_OWNERSHIP_CHANGE:
-		if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state))
 		queue_work(tracer->work_queue, &tracer->ownership_change_work);
 		break;
 	case MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE: