Nowadays we only keep one product depending on its name, we do not care
about double even if id is not the same.

As id can contains important and different information even if products
names are the same, we should keep all those product groupes byb name
and pass them all to modules.

Modules will only keep products they can handle

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.