Issue 6431 - Removed old options page

lib/filterComposer.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 295 matching lines @@
     style: message.style,
     classes: message.classes,
     urls: message.urls,
     type: message.mediatype,
     baseURL: message.baseURL,
     page: sender.page,
     frame: sender.frame
   });
 });
 
-port.on("composer.quoteCSS", (message, sender) =>
-{
-  return quoteCSS(message.CSS);
-});
-
 ext.pages.onLoading.addListener(page =>
 {
   // When tabs start loading we send them a message to ensure that the state
   // of the "block element" tool is reset. This is necessary since Firefox will
   // sometimes cache the state of a tab when the user navigates back / forward,
   // which includes the state of the "block element" tool.
   // Since sending this message will often fail (e.g. for new tabs which have
   // just been opened) we catch and ignore any exception thrown.
   browser.tabs.sendMessage(
     page.id, {type: "composer.content.finished"}
   ).catch(() => {});
 });