Specially for N.
// ==UserScript==
// @name hide comments on VK.com
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Specially for N.
// @author NickKolok
// @match https://vk.com/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var st = document.createElement('style');
st.innerHTML = '.replies,.post_replies_header{visibility:hidden;position:absolute}';
document.body.appendChild(st);
})();