Remove fbclid argument from the URL in Nginx

## fbclid-nginx.conf
http {

  ...

  # redirect map in http block - remove fbclid argument from the end
  map $request_uri $redirect_fbclid {
    "~^(.*?)([?&]fbclid=[a-zA-Z0-9_-]+)$"  $1;
  }

  ...

  server {

    ...

    # if redirect map is active, do 301 to the new url
    if ( $redirect_fbclid ) {
      return 301 $redirect_fbclid;
    }

    ...
  }
}