Why do LDS still circumcise their boys?

CIRCUMCISION–DISCONTINUED AND DISAPPROVED
Jesus said, “If a man on the sabbath day receive circumcision, that the law of Moses should not be broken; are ye angry at me, because I have made a man every whit whole on the sabbath day?” (John 7:6)
Mormon said, “Listen to the words of Christ, your Redeemer, your Lord and your [...]