net/mlx5: DR, Remove definer functions from SW Steering API

No need to expose definer get/put functions as part of
SW Steering API - they are internal functions.

Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20240708080025.1593555-9-tariqt@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>