doc:it_IT: align documentation after licenses patches

This patch translates in Italian the following updates

62be257e LICENSES: Rename other to deprecated
8ea8814f LICENSES: Clearly mark dual license only licenses
6132c37c docs: Don't reference the ZLib license in license-rules.rst

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>