Remove unused file
This seems to be the old script to deploy the docs, new one is `.circleci/deploy.sh`.
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=h1) Report
> Merging [#6023](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/a884b7fa38de9082a6f3f7889b9f7348a8dadbf5&el=desc) will **decrease** coverage by `1.37%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/6023/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #6023      +/-   ##
==========================================
- Coverage   78.68%   77.31%   -1.38%     
==========================================
  Files         146      146              
  Lines       26249    26249              
==========================================
- Hits        20655    20295     -360     
- Misses       5594     5954     +360     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/modeling\_tf\_mobilebert.py](https://codecov.io/gh/huggingface/transformers/pull/6023/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9tb2JpbGViZXJ0LnB5) | `23.38% <0.00%> (-73.39%)` | :arrow_down: |
| [src/transformers/modeling\_tf\_electra.py](https://codecov.io/gh/huggingface/transformers/pull/6023/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9lbGVjdHJhLnB5) | `26.02% <0.00%> (-69.52%)` | :arrow_down: |
| [src/transformers/modeling\_tf\_distilbert.py](https://codecov.io/gh/huggingface/transformers/pull/6023/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9kaXN0aWxiZXJ0LnB5) | `98.79% <0.00%> (+33.89%)` | :arrow_up: |
| [src/transformers/modeling\_tf\_roberta.py](https://codecov.io/gh/huggingface/transformers/pull/6023/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9yb2JlcnRhLnB5) | `93.36% <0.00%> (+49.37%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=footer). Last update [a884b7f...0cb4788](https://codecov.io/gh/huggingface/transformers/pull/6023?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
