#### Fix extra semicolon added to ignored directives (#9850 by @fisker)

<!-- prettier-ignore -->
```js
// Input
// prettier-ignore
'use strict';

function foo() {
// prettier-ignore
"use strict";;
}

// Prettier stable
// prettier-ignore
'use strict';;

function foo() {
  // prettier-ignore
  "use strict";;
}

// Prettier main
// prettier-ignore
'use strict';

function foo() {
  // prettier-ignore
  "use strict";
}
```