It's lovely when the article fills the page. http://imgur.com/a/2kAQC demonstrates the effect

unregisterbullshit.user.js

// ==UserScript==
// @name         Register bullshit removal
// @version      0.3
// @homepage     https://gist.github.com/rycudasakkran/8ce3c317c3f5472945bd/edit
// @description  Remove bullshit from register articles
// @match        http://www.theregister.co.uk/*
// ==/UserScript==

(function() {
    
    var hitList = [
        'end_scripts',
        'topbar',
        'masthead',
        'ad-oop-spot',
        'ad-ldr-spot',
        'site_nav',
        'right-col',
        'boot',
        'footer',
        'read_more_on',
        'whitepapers',
        'social_btns',
        'story_rhs_more'
    ];
    
    hitList.forEach(function(name) {
        var condemned = document.getElementById(name);
    
        condemned.parentNode.removeChild(condemned);
    }
    );
   
   var content = document.getElementById('main-col');
   content.style.backgroundColor = "white";
   content.style.width = "auto";
    
})();