DEPR: deprecate pd.get_store as not api consistent and cluttering
# [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/15940?src=pr&el=h1) Report
> Merging [#15940](https://codecov.io/gh/pandas-dev/pandas/pull/15940?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/3b53202d90e86a1bc0f5db7a9c2e66c164f909a9?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/15940/graphs/tree.svg?width=650&height=150&src=pr&token=eZ4WkYLtcO)](https://codecov.io/gh/pandas-dev/pandas/pull/15940?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #15940      +/-   ##
==========================================
+ Coverage   90.97%   90.97%   +<.01%     
==========================================
  Files         145      145              
  Lines       49475    49476       +1     
==========================================
+ Hits        45008    45009       +1     
  Misses       4467     4467
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `88.73% <100%> (ø)` | :arrow_up: |
| #single | `40.68% <100%> (ø)` | :arrow_up: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/15940?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/io/pytables.py](https://codecov.io/gh/pandas-dev/pandas/pull/15940?src=pr&el=tree#diff-cGFuZGFzL2lvL3B5dGFibGVzLnB5) | `93.06% <100%> (ø)` | :arrow_up: |

------

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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
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