Use an extension like greasemonkey or tampermonkey with the below code to remove the redirection:
// ==UserScript==
// @name redirremove
// @version 1
// @grant none
// @match kinkyforums.com/forum/*
// @namespace noredir
// ==/UserScript==
'use strict';
function removeRedirector() {
const anchors = [...document.getElementsByTagName('a')];
anchors.forEach(url => {
url.href = url.href.replace('http://redirme.com/?to=','');
});
}
window.addEventListener('load', function() {
removeRedirector();
}, false);