PIM-2989 : replace the parent_type filter config by the ftype
PIM-2989 : update changelog and upgrade doc
PIM-2989 : remove useless filter
PIM-2989 : update the sed cmd
Merge pull request #1312 from akeneo/refactor/remove_grid_filter_parent_type

PIM-2989 : replace the parent_type filter config by the ftype