[LTP] [PATCH v5] Remove TODO

[Petr Vorel]

> Hi,


> > Maybe we should link the (now empty) shell API page here:

> > https://linux-test-project.readthedocs.io/en/latest/developers/api_shell_tests.html


> I don't know if it makes sense to link a documentation that is empty. It
> would be nice to write it first.

+1.

Let's merge it with 2 other typos/wording Cyril found.
And afterwards, if somebody writes shell loader doc, we can add it there and
link the document.

Kind regards,
Petr

> Kind Regards,