lodash omit() in ~120 bytes lines instead of 2.5k

omit.js

// compare to https://bundlephobia.com/result?p=lodash.omit@4.5.0
export default (obj, keys = []) => {
  const copy = Object.assign({}, obj)
  keys.forEach(key => {
    delete copy[key]
  })
  return copy
}