Revert "CI: pin pytables to valid build (#17760)"
This reverts commit 6d30d5f425ddfaf143b8bd878f81395852b50cd9.
closes #17757
xref https://github.com/conda-forge/pytables-feedstock/pull/20

cc @ocefpaf  # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=h1) Report
> Merging [#17768](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/3fae8dd84b5c7f835d7138b0f5ee3af841fab472?src=pr&el=desc) will **decrease** coverage by `0.01%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/17768/graphs/tree.svg?width=650&height=150&src=pr&token=eZ4WkYLtcO)](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #17768      +/-   ##
==========================================
- Coverage   91.24%   91.22%   -0.02%     
==========================================
  Files         163      163              
  Lines       49962    49962              
==========================================
- Hits        45588    45579       -9     
- Misses       4374     4383       +9
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.03% <ø> (ø)` | :arrow_up: |
| #single | `40.26% <ø> (-0.07%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-58.34%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.74% <0%> (-0.1%)` | :arrow_down: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17768?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/pandas-dev/pandas/pull/17768?src=pr&el=footer). Last update [3fae8dd...4ecda63](https://codecov.io/gh/pandas-dev/pandas/pull/17768?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
