docs: it: license-rules.rst: get rid of warnings

There's a wrong identation on a code block, and it tries to use
a reference that was not defined at the Italian translation.

Documentation/translations/it_IT/process/license-rules.rst:329: WARNING: Literal block expected; none found.
Documentation/translations/it_IT/process/license-rules.rst:332: WARNING: Unexpected indentation.
Documentation/translations/it_IT/process/license-rules.rst:339: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/translations/it_IT/process/license-rules.rst:341: WARNING: Unexpected indentation.
Documentation/translations/it_IT/process/license-rules.rst:305: WARNING: Unknown target name: "metatags".

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

doc:it_IT: align documentation after licenses patches

This patch translates in Italian the following updates

62be257e986d LICENSES: Rename other to deprecated
8ea8814fcdcb LICENSES: Clearly mark dual license only licenses
6132c37ca543 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>

doc:it_IT: translations for documents in process/

Translated documents:
- stable-kernel-rules.rst
- deprecated.rst
- kernel-enforcement-statement.rst
- license-rules.rst

Added document to have valid links
- netdev-FAQ.rst

Modifications to main documentation
- add label in deprecated.rst

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