docs: drop texinfo options

It looks like this is no longer wanted, we only build the html output.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230110132700.833690-6-marcandre.lureau@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-9-alex.bennee@linaro.org>

docs/conf.py

@@ -297,19 +297,6 @@
 ]
 man_make_section_directory = False
 
-# -- Options for Texinfo output -------------------------------------------
-
-# Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
-texinfo_documents = [
-    (master_doc, 'QEMU', u'QEMU Documentation',
-     author, 'QEMU', 'One line description of project.',
-     'Miscellaneous'),
-]
-
-
-
 # We use paths starting from qemu_docdir here so that you can run
 # sphinx-build from anywhere and the kerneldoc extension can still
 # find everything.