Remove `pos` from _build_network_inputs
@NielsRogge 
https://github.com/huggingface/transformers/issues/15971

The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/transformers/pr_16122). All of your documentation changes will be reflected on that endpoint.<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the [contributing guidelines](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md) are likely to be ignored.<|||||>@Rocketknight1 is it mergeable ?<|||||>Hi, I don't know much about this issue unfortunately. Does it relate to the issue from @NielsRogge ?<|||||>This issue has been automatically marked as stale because it has not had recent activity. If you think this still needs to be addressed please comment on this thread.

Please note that issues that do not follow the [contributing guidelines](https://github.com/huggingface/transformers/blob/main/CONTRIBUTING.md) are likely to be ignored.