Remove installLink from examples page

It was a left over from the API changes where `installLink` was not in the `subscribe` method

Author: steffen

examples/index.html

@@ -54,7 +54,6 @@
     // import {subscribe} from '../dist/index.esm.js'
     import {subscribe} from 'https://unpkg.com/@github/paste-markdown/dist/index.esm.js'
     subscribe(document.querySelector('textarea'))
-    installLink(document.querySelector('textarea'))
   </script>
 </body>
 </html>