facebook_disabler.user.js

// ==UserScript==
// @name        Facebook disabler
// @namespace   eckrel.com
// @include     *
// @version     1.0.2
// @grant       none
// ==/UserScript==

(function(w){

  var href = w.document.location.href;

  var disables = [
    /apis\.google\.com\/.*\/\+1\/fastbutton/,
    /www\.facebook\.com\/plugins\/.*/, // include like, like_box, share
  ]

  for(var key in disables){
    if(href.match(disables[key])){
      w.document.body.style.display = "none";
    }
  }


})(this.unsafeWindow || this);