Revert "Add default value to variant enabled column migration"
Revert "Add default value to variant enabled column migration"

This reverts commit 540031efb23dae1207254b9beb5989e5c0810dcb.

mbabker/Sylius,Sylius/Sylius,101medialab/Sylius,GSadee/Sylius,pamil/Sylius,pjedrzejewski/Sylius,101medialab/Sylius,kayue/Sylius,pamil/Sylius,Zales0123/Sylius,SyliusBot/Sylius,GSadee/Sylius,Arminek/Sylius,kayue/Sylius,loic425/Sylius,mbabker/Sylius,lchrusciel/Sylius,loic425/Sylius,SyliusBot/Sylius,pjedrzejewski/Sylius,antonioperic/Sylius,mbabker/Sylius,pamil/Sylius,SyliusBot/Sylius,GSadee/Sylius,Sylius/Sylius,diimpp/Sylius,diimpp/Sylius,lchrusciel/Sylius,antonioperic/Sylius,Zales0123/Sylius,pjedrzejewski/Sylius,mbabker/Sylius,Sylius/Sylius,antonioperic/Sylius,diimpp/Sylius,kayue/Sylius,Arminek/Sylius,pjedrzejewski/Sylius,Zales0123/Sylius,loic425/Sylius,101medialab/Sylius,Arminek/Sylius,lchrusciel/Sylius