fix: remove old, incorrect docstring

[dataders]

resolves: #1163

remove this line. no additions necessary as other Catalog method's don't have additional context in the docstring beyond docmenting the signature

[dataders]

@sungwy couldn't find any CONTRIBUTING.md or other guidance for contributions so let me know if I'm missing anything like a changelog entry

[sungwy]

Hi @dataders thank you very much for identifying this issue and putting up this PR!

For future information, the Contributing guidelines can be found here: https://py.iceberg.apache.org/contributing/

For the purpose of this Issue, I think this PR looks great 👍

I'll approve it once the CI runs successfully.

[sungwy]

Thanks again for your contribution! @dataders