Bug 1817600 - Show NordVPN partnership as text link and image. Remove image link. r=me

lib/sidebar.tmpl

@@ -71,8 +71,7 @@
      "<div style=\"font-size: x-small; text-align: center;\">\n";
      "<span><a href=\"https://go.nordvpn.net/aff_c?offer_id=15&aff_id=81347&url_id=902\" target=\"_blank\">
          Partnered with NordVPN</a></span><br>\n";
-     "<a href=\"https://go.nordvpn.net/aff_c?offer_id=15&aff_id=81347&url_id=902\" target=\"_blank\">
-         <img src=\"/images/nordvpn-banner.png\" width=\"240\" height=\"240\"></a>\n";
+     "<img src=\"/images/nordvpn-banner.png\" width=\"240\" height=\"240\">\n";
      "</div>";
    END;
 %]