fix: remove cnbeta 6.18 ad (#4983)

lib/routes/cnbeta/home.js

@@ -8,6 +8,9 @@ module.exports = async (ctx) => {
     const ProcessFeed = (data) => {
         const $ = cheerio.load(data);
 
+        // 移除6.18广告
+        $('.article-global').remove();
+
         // 提取内容
         return $('.article-summary p').html() + '<br>' + $('.article-content').html();
     };