The latest version of Doxygen doesn't like some of the obsolete options

Also increase DOT_GRAPH_MAX_NODES to 200

Change-Id: I196fdb010088dc446be3a366804df7d5dc815039
Reviewed-on: https://gerrit.libreoffice.org/7610Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>