Remove excess line breaks in DeepPavlov model cards
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=h1) Report
> Merging [#3139](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/8a2d9bc9ef38452e80ce872505a5ad5623c12657?src=pr&el=desc) will **decrease** coverage by `0.51%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/3139/graphs/tree.svg?width=650&token=9qOlN6Hb1c&height=150&src=pr)](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #3139      +/-   ##
==========================================
- Coverage   78.45%   77.94%   -0.52%     
==========================================
  Files          98       98              
  Lines       16561    16561              
==========================================
- Hits        12993    12908      -85     
- Misses       3568     3653      +85
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/data/processors/squad.py](https://codecov.io/gh/huggingface/transformers/pull/3139/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9kYXRhL3Byb2Nlc3NvcnMvc3F1YWQucHk=) | `28.89% <0%> (-27.6%)` | :arrow_down: |

------

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> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=footer). Last update [8a2d9bc...129d1ab](https://codecov.io/gh/huggingface/transformers/pull/3139?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
