Adds a 'None' option to gender, select it and select 'change profile' to null out gender.
// ==UserScript==
// @name Remove Gender
// @namespace https://epicmafia.com/user/478384#/
// @version 0.1
// @description Adds a 'None' option to gender, select it and select 'change profile' to null out gender.
// @author joshua
// @match https://epicmafia.com/user/edit
// @grant unsafeWindow
// ==/UserScript==
var $ = unsafeWindow.jQuery;
$('input[name^="gender"][value^="2"]').after('<label class="inner">None</label><input class="profilegender" name="gender" type="radio" value="11">');