PIM-1393 : move variant group scenario to groups
PIM-1393 : remove variant group acl
PIM-1393 : remove variant group routing
PIM-1393 : remove specific variant group controller
PIM-1393 : remove variant group navigation
PIM-1393 : remove custom variant group datagrids
PIM-1393 : remove variant group entity
PIM-1393 : move variant group subscriber to basic group, remove useless
variant group type
PIM-1393 : remove variant group views
PIM-1393 : remove variant group translations
PIM-1393 : Remove variant group handler and related form services
declaration
PIM-1393 : remove old variant group routing
PIM-1393 : ensure the sort of group codes (used by audit and
import/export)