manual: do not track generated files

Since there is no need to edit the generated list, we don't need
to keep the files under git control, so remove the existing lists.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>