Remove double negative in package_discovery.rst

[bebound]

Summary of changes

find_packages() only finds the folder which contains __init__.py.

[abravalheri]

Hi @bebound thank you very much for the contribution.

I am not sure if the meaning is correct after this change, though.

In this PR you wrote:

When you use find_packages(), all directories with an __init__.py file will be disconsidered.

That is not correct right? The directories with __init__.py will be considered...

Maybe we should have instead

When you use find_packages(), all directories without an __init__.py file will be ignored.

Does that make it easier to understand? (Note that I am reverting back to without, but changing disconsidered to ignored. Maybe that facilitates the reading?

[bebound]

Oh, you‘re right. I miss the dis part. Double negative makes it harder to understand.
I change it to ignore.

[abravalheri]

Thank you very much.