docs: it_IT: align to submitting-drivers removal

Adjust the Italian translation to the removal of submitting-drivers in the
English kernel documentation, with some assistance from Frederico Vaga.

Link: https://lore.kernel.org/linux-doc/20220628091647.xf5cygybqemwprgb@numero86.vaga.pv.it/



Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220704122537.3407-8-lukas.bulwahn@gmail.com


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