srrdb.user.js

// ==UserScript==
// @name           srrdb.com
// @author         Gfy
// @namespace      http://www.srrdb.com/
// @description    Removes action notification box.
// @include        http://www.srrdb.com/*
// ==/UserScript==

// for GreaseMonkey compatibility
if (typeof unsafeWindow != "undefined") {
    window = unsafeWindow;
}
//"Opera’s implementation appears to be just perfect..."
//http://frans.lowter.us/archives/2006/07/13/opera-user-js-and-greasemonkey-interoperability/

/**
 * When the site loads, check which page we are and add functionality.
 */
window.addEventListener(
  'load',
  function (e) {
    if( document.documentURI.match("/release/details/") ) {
        $('.alert-success').remove();
    }
  },
  false
);