Confirm that `select` was *not* clearer in 0.12
This just deletes a comment `# TODO: Check if this was clearer in 0.12`.

Checking, the answer is "no".  It was nearly identical.  The docstring was exactly identical.  The only change in the code from 0.12.0 is using `_get_axis_number` in the newer version.

This is based on comparison against 0.12.0 found at https://pypi.python.org/pypi/pandas/0.12.0/#downloads


# [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=h1) Report
> Merging [#16878](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/f4b12d8488434d5f9a45fba1cbe7ad5a77c776ff?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/16878/graphs/tree.svg?token=eZ4WkYLtcO&src=pr&height=150&width=650)](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #16878      +/-   ##
==========================================
- Coverage   90.99%   90.97%   -0.02%     
==========================================
  Files         161      161              
  Lines       49301    49301              
==========================================
- Hits        44859    44852       -7     
- Misses       4442     4449       +7
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `88.74% <ø> (ø)` | :arrow_up: |
| #single | `40.17% <ø> (-0.23%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/core/generic.py](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZ2VuZXJpYy5weQ==) | `92.29% <ø> (ø)` | :arrow_up: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-41.67%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.71% <0%> (-0.1%)` | :arrow_down: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/16878?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/16878?src=pr&el=footer). Last update [f4b12d8...41658c0](https://codecov.io/gh/pandas-dev/pandas/pull/16878?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
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