Update README.md

更新目录

Author: sisterAn

README.md

@@ -24,7 +24,6 @@
 
 - [前端进阶算法1：如何分析、统计算法的执行效率和资源消耗？](https://github.com/sisterAn/JavaScript-Algorithms/issues/1)
 - [前端进阶算法2：从Chrome V8源码看JavaScript数组（附赠腾讯面试题）](https://github.com/sisterAn/JavaScript-Algorithms/issues/2)
-- [瓶子君前端算法集训营第一期开营啦，免费哟](https://mp.weixin.qq.com/s/dQu7Re-DesCr6S8He3AOfQ)
 - [前端进阶算法3：从浏览器缓存淘汰策略和Vue的keep-alive学习LRU算法](https://github.com/sisterAn/JavaScript-Algorithms/issues/9)
 - [前端进阶算法4：链表原来如此简单（+leetcode刷题）](https://github.com/sisterAn/JavaScript-Algorithms/issues/12)
 - [10 问 10 答，带你快速入门前端算法](https://mp.weixin.qq.com/s/i8NbR1LjqhQEPxOILPSacA)