MAINT: Remove empty Python file
Follow-up to #23255.
good catch # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=h1) Report
> Merging [#24544](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/f67aa133d0332a8a1290aa775db582558163204f?src=pr&el=desc) will **not change** coverage.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/24544/graphs/tree.svg?width=650&token=eZ4WkYLtcO&height=150&src=pr)](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master   #24544   +/-   ##
=======================================
  Coverage   92.32%   92.32%           
=======================================
  Files         166      166           
  Lines       52454    52454           
=======================================
  Hits        48430    48430           
  Misses       4024     4024
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `90.75% <ø> (ø)` | :arrow_up: |
| #single | `43.01% <ø> (ø)` | :arrow_up: |


------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/24544?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/24544?src=pr&el=footer). Last update [f67aa13...6db730f](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=h1) Report
> Merging [#24544](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/f67aa133d0332a8a1290aa775db582558163204f?src=pr&el=desc) will **not change** coverage.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/24544/graphs/tree.svg?width=650&token=eZ4WkYLtcO&height=150&src=pr)](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master   #24544   +/-   ##
=======================================
  Coverage   92.32%   92.32%           
=======================================
  Files         166      166           
  Lines       52454    52454           
=======================================
  Hits        48430    48430           
  Misses       4024     4024
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `90.75% <ø> (ø)` | :arrow_up: |
| #single | `43.01% <ø> (ø)` | :arrow_up: |


------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/24544?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/24544?src=pr&el=footer). Last update [f67aa13...6db730f](https://codecov.io/gh/pandas-dev/pandas/pull/24544?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
