FagFlags

// ==UserScript==
// @name         FagFlags
// @namespace    fagflags
// @version      0.1
// @description  Filters fags who use non-location flags.
// @author       (You)
// @match        *boards.4chan.org/pol/thread*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

function removeFagFlags() {
    var fagflags = document.getElementsByClassName("countryFlag");
    for (var i = 0, l = fagflags.length; i < l; i++) {
        fagflags[i].parentElement.parentElement.parentElement.parentElement.style.display = "none";
    }
}
removeFagFlags();
document.addEventListener("ThreadUpdate", removeFagFlags());