remove redis collection

Author: Snailclimb

README.md

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 ## 目录
 
  * [目录](#目录)
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 * [关于缓存的一些重要概念(Redis前置菜)](docs/database/Redis/some-concepts-of-caching.md)
 * [Redis 常见问题总结](docs/database/Redis/redis-all.md)
-* **Redis 系列文章合集：**
-  1. 数据结构和算法 ：[5种基本数据结构](docs/database/Redis/redis-collection/Redis(1)——5种基本数据结构.md)、[跳跃表](docs/database/Redis/redis-collection/Redis(2)——跳跃表.md)、[神奇的HyperLoglog解决统计问题](docs/database/Redis/redis-collection/Reids(4)——神奇的HyperLoglog解决统计问题.md)、[亿级数据过滤和布隆过滤器](docs/database/Redis/redis-collection/Redis(5)——亿级数据过滤和布隆过滤器.md)、[GeoHash查找附近的人](docs/database/Redis/redis-collection/Redis(6)——GeoHash查找附近的人.md)
-  3. Redis锁：[分布式锁深入探究](docs/database/Redis/redis-collection/Redis(3)——分布式锁深入探究.md) 、 [Redlock分布式锁](docs/database/Redis/Redlock分布式锁.md) 、[如何做可靠的分布式锁，Redlock真的可行么](docs/database/Redis/如何做可靠的分布式锁，Redlock真的可行么.md)
-  7. [持久化](docs/database/Redis/redis-collection/Redis(7)——持久化.md)
-  8. [发布订阅与Stream](docs/database/Redis/redis-collection/Redis(8)——发布订阅与Stream.md)
-  9. [史上最强【集群】入门实践教程](docs/database/Redis/redis-collection/Redis(9)——集群入门实践教程.md)
-  10. [Redis数据类型、编码、底层数据结构的关系看这篇](docs/database/Redis/redis-collection/Redis(10)——Redis数据类型、编码、数据结构的关系.md)
 
 ## 系统设计