Update shortcut name for reformer in pretrained_models.srt
Adding `google/` prefix on shortcut name for reformer in `pretrained_models.srt` according to mapping in `configuration_reformer.py`
I agree with the change but I think you probably broke the rst<|||||>> I agree with the change but I think you probably broke the rst

Ah, my bad, I have updated the rst file<|||||># [Codecov](https://codecov.io/gh/huggingface/transformers/pull/5849?src=pr&el=h1) Report
> Merging [#5849](https://codecov.io/gh/huggingface/transformers/pull/5849?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/9d37c56bab8f7f1f1aa0b65be039516072254e77&el=desc) will **decrease** coverage by `1.19%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/5849/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/5849?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #5849      +/-   ##
==========================================
- Coverage   78.48%   77.28%   -1.20%     
==========================================
  Files         146      146              
  Lines       26200    26200              
==========================================
- Hits        20563    20249     -314     
- Misses       5637     5951     +314     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/5849?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/modeling\_tf\_mobilebert.py](https://codecov.io/gh/huggingface/transformers/pull/5849/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9tb2JpbGViZXJ0LnB5) | `23.38% <0.00%> (-73.39%)` | :arrow_down: |
| [src/transformers/modeling\_tf\_roberta.py](https://codecov.io/gh/huggingface/transformers/pull/5849/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/5849?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/5849?src=pr&el=footer). Last update [9d37c56...1103b9e](https://codecov.io/gh/huggingface/transformers/pull/5849?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
<|||||>I check that this update has been included in the main repo directly, closing this  PR