[PATCH] doc: remove confusing command to send patch

[Thomas Monjalon]

10/10/2023 18:26, Thomas Monjalon:
> In the contributor guide, it was said that no need to Cc maintainers
> for new additions, probably for new directories not having a maintainer.
> There is no harm, and it is a good habit, to always Cc maintainers.
> 
> Remove this case as it can mislead to not Cc maintainers when needed.
> 
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>

There was a discussion about this patch but no better solution,
so applied to avoid confusion.