Documentation: Drop documentation author names

The name of the documentation authors listed in conf.py is seriously out
of date. As the information is bound to bitrot, replace the names by a
generic mention of the libcamera documentation authors.

While at it, update the copyright dates.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>

Documentation/conf.py

@@ -21,8 +21,8 @@
 # -- Project information -----------------------------------------------------
 
 project = 'libcamera'
-copyright = '2018-2019, The libcamera documentation authors'
-author = u'Kieran Bingham, Jacopo Mondi, Laurent Pinchart, Niklas Söderlund'
+copyright = '2018-2025, The libcamera documentation authors'
+author = 'The libcamera documentation authors'
 
 # Version information is provided by the build environment, through the
 # sphinx command line.