delete attribute from object inside an object array filtering by another attribute

let data = [
  {
    name: "user",
    age: 99,
    coins: 5
  },
  {
    name: "user2",
    age: 99,
    coins: 5
  }
];

function deleteProp(arr, prop, condition) {
  return arr.map(obj => {
    const copy = { ...obj };
    if (obj[prop] === condition) {
      delete copy[prop];
    }
    return copy;
  });
}

console.log(deleteProp(data, "coins", 5));