Mengatasi Duplicate Content: Menghilangkan Kode m=1 Pada URL

<script type='text/javascript'>
var uri = window.location.toString();
if (uri.indexOf("%3D","%3D") > 0) {
  var clean_uri = uri.substring(0, uri.indexOf("%3D"));
    window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("%3D%3D","%3D%3D") > 0) {
  var clean_uri = uri.substring(0, uri.indexOf("%3D%3D"));
    window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("&amp;m=1","&amp;m=1") > 0) {
  var clean_uri = uri.substring(0, uri.indexOf("&amp;m=1"));
    window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("?m=1","?m=1") > 0) {
  var clean_uri = uri.substring(0, uri.indexOf("?m=1"));
    window.history.replaceState({}, document.title, clean_uri);
}
</script>