doc: align Italian translation

Translation for the following patches

commit 0ca0d555 ("docs/core-api: Consistent code style")
commit 9912d0bb ("docs: process: submitting-patches.rst: avoid using ReST :doc:`foo` markup")
commit 6349469a ("Documentation/submitting-patches: Document RESEND tag on patches")
commit dbbe7c96 ("docs: networking: drop special stable handling")
commit 7f3f7bfb ("docs: kernel-hacking: hacking.rst: avoid using ReST :doc:`foo` markup")
commit 6ab0493d ("deprecated.rst: Include details on "no_hash_pointers" ")
commit 77167b96 ("docs: submitting-patches: clarify the role of LKML ")

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20210731085513.11820-1-federico.vaga@vaga.pv.it


Signed-off-by: Jonathan Corbet <corbet@lwn.net>