Remove props types from js files

remove-prop-types.js

const fs = require('fs')

for (let i = 2; i < process.argv.length; i++) {
  const filename = process.argv[i]
  let content = fs.readFileSync(filename, 'utf-8')
  if (/static propTypes = {/.test(content)) {
    content = content.replace(/static propTypes = {[^{}]*({[^{}]*})*[^{}]*}\n/, '')
    fs.writeFileSync(filename, content)
  }
}