PIM-2219 Do not rely on a query builder to remove an attribute from a product
PIM-2219 Removed value records when removing them from a product entity
PIM-2219 Updated changelog
Merge branch 'master' into mongo/remove-attribute
Merge pull request #947 from akeneo/mongo/remove-attribute

PIM-2219 Do not rely on a query builder to remove an attribute from a product