Remove now unnecessary hack
Remove now unnecessary hack

Previously promotion rules were added to the configuration after all
initialization to avoid issues. Now we are able to add the class names
at the normal time.

This will also allow a store to remove a rule if desired.

Arpsara/solidus,Arpsara/solidus,jordan-brough/solidus,pervino/solidus,jordan-brough/solidus,pervino/solidus,jordan-brough/solidus,pervino/solidus,Arpsara/solidus,jordan-brough/solidus,Arpsara/solidus,pervino/solidus