Brother, who does the "circumcision" has changed, but not its requirement for salvation. Jesus now does the "circumcision" and humans no longer do the "circumcision". The Jerusalem council did not eliminate "circumcision" when it provided a seed-list to add to, allowing for the adaption of Moses and everything that came before him by the Gentiles who were turning to God free of the added human traditions of Judaism that Jesus was against in the following passage.
“What sorrow awaits you teachers of religious law and you Pharisees. Hypocrites! For you shut the door of the Kingdom of Heaven in people’s faces. You won’t go in yourselves, and you don’t let others enter either. “What sorrow awaits you teachers of religious law and you Pharisees. Hypocrites! For you cross land and sea to make one convert, and then you turn that person into twice the child of hell you yourselves are! “Blind guides! What sorrow awaits you! For you say that it means nothing to swear ‘by God’s Temple,’ but that it is binding to swear ‘by the gold in the Temple.’ Blind fools! Which is more important—the gold or the Temple that makes the gold sacred? And you say that to swear ‘by the altar’ is not binding, but to swear ‘by the gifts on the altar’ is binding. How blind! For which is more important—the gift on the altar or the altar that makes the gift sacred? When you swear ‘by the altar,’ you are swearing by it and by everything on it. And when you swear ‘by the Temple,’ you are swearing by it and by God, who lives in it. And when you swear ‘by heaven,’ you are swearing by the throne of God and by God, who sits on the throne. (Matthew 23:13-22 NLT)
James was not limiting what we need to obey, he was giving us permission to adopt Moses without forcing the human traditions of Judaism on us Gentiles, as we turn to God by giving us a seed, a beginning to add to. James saw us as the fulfillment of the prophecy where God would "restore the fallen house of David" as we listened to Moses every Sabbath. What that means is the equivalent of continuing Judaism without human traditions. The human traditions in Judaism led to death by sabotaging God's Ten Commandments so as not to take away sin that would otherwise have been taken away if they had done what God asked, instead of replacing what God asked with their own rules, in their "human effort" to help them obey the law by sabotaging the law so as not to take away sin, which made the law easier to bear. For example, in order not to use God's name in vain, Judaism added the human rule not to pronounce God's name to help obey God's law by preventing them from having to learn not to misuse His name. Judaism managed to bypass the active part of taking away their sin by replacing God's law with their own rule not to utter God's name at all.
When they had finished, James stood and said, “Brothers, listen to me. Peter has told you about the time God first visited the Gentiles to take from them a people for himself. And this conversion of Gentiles is exactly what the prophets predicted. As it is written: ‘Afterward I will return and restore the fallen house of David. I will rebuild its ruins and restore it, so that the rest of humanity might seek the LORD, including the Gentiles—all those I have called to be mine. The LORD has spoken—he who made these things known so long ago.’ “And so my judgment is that we should not make it difficult for the Gentiles who are turning to God. Instead, we should write and tell them to abstain from eating food offered to idols, from sexual immorality, from eating the meat of strangled animals, and from consuming blood. For these laws of Moses has been preached in Jewish synagogues in every city on every Sabbath for many generations.” (Acts 15:13-21 NLT fixed)
One of the first adoptions of Moses and everything that came before Moses beyond the seed-list in Acts to add to the Eleven Commandments taught by Jesus, was taught by Paul that "circumcision" is now done by Jesus and no longer done by humans.
When you came to Christ, you were “circumcised,” but not by a physical procedure. Christ performed a spiritual circumcision—the cutting away of your sinful nature. For you were buried with Christ when you were baptized. And with him you were raised to new life because you trusted the mighty power of God, who raised Christ from the dead. (Colossians 2:11-12 NLT)
United in our hope for the soon return of Jesus, Jorge