[FEATURE]: add remove property as a special character to the updateMany function

[Elijah-trillionz]

This is an optional feature proposal for removing properties from documents with the updateMany function.

For example:

function updateUsers() {
   // data/users.json = { "users": [{ "username": "john_doe", "age": 21, "student": true, "promoted": true }, {"username": "jane_doe", "age": 24, "student": true, "promoted": true }] }
  const res = await users.updateMany({ promoted: true }, { $rem: ['promoted'] }{ updateAll: true });
  console.log(res) // [{ username: 'john_doe', age: 21, student: true }, {username: 'jane_doe', age: 24, student: false }]
}

The value of the $rem special character will be an array of properties to remove from the group of documents.