Remove Promoted Reddit Posts the simple way

remove_promoted_reddit_posts.js

// ==UserScript==
// @name         Remove Promoted Reddit Posts
// @namespace    http://reddit.com/
// @version      1.0
// @description  try to take over the world!
// @author       You
// @match        https://www.reddit.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';
     function addGlobalStyle(css) {
        let style = document.createElement('style')
        style.innerHTML = css
        document.head.appendChild(style)
    }
    addGlobalStyle('.promotedlink { display: none !important; }')
})();