Stop cleaning up token specific data on ERC-721 burn#4561

frangio merged 3 commits intoOpenZeppelin:audit/wip/2a-2bOpenZeppelin/openzeppelin-contracts:audit/wip/2a-2bfrom

Amxx:feature/ERC721/extensions/dont-cleanup-on-burnAmxx/openzeppelin-contracts:feature/ERC721/extensions/dont-cleanup-on-burnCopy head branch name to clipboard