message: Update index.js
  del unused argument.
diff: @@ -225,11 +225,11 @@ export function genData (el: ASTElement, state: CodegenState): string {
  }
  // attributes
  if (el.attrs) {
  - data += `attrs:{${genProps(el.attrs, state)}},`
  + data += `attrs:{${genProps(el.attrs)}},`
  }
  // DOM props
  if (el.props) {
  - data += `domProps:{${genProps(el.props, state)}},`
  + data += `domProps:{${genProps(el.props)}},`
  }
  // event handlers
  if (el.events) {
  