Revise links and remove obsolete topics in README

Updated links and removed outdated references in the README.

README.md

@@ -12,9 +12,10 @@ This repository contains free resources to learn System Design concepts and prep
 - [Scalability](https://algomaster.io/learn/system-design/scalability)
 - [Availability](https://algomaster.io/learn/system-design/availability)
 - [Reliability](https://algomaster.io/learn/system-design/reliability)
-- [CAP Theorem](https://blog.algomaster.io/p/cap-theorem-explained)
-- [Consistent Hashing](https://blog.algomaster.io/p/consistent-hashing-explained)
-- [SPOF](https://blog.algomaster.io/p/system-design-how-to-avoid-single-point-of-failures)
+- [SPOF](https://algomaster.io/learn/system-design/single-point-of-failure-spof)
+- [Latency vs Throughput vs Bandwidth](https://algomaster.io/learn/system-design/latency-vs-throughput)
+- [Consistent Hashing](https://algomaster.io/learn/system-design/consistent-hashing)
+- [CAP Theorem](https://algomaster.io/learn/system-design/cap-theorem)
 - [Failover](https://www.druva.com/glossary/what-is-a-failover-definition-and-related-faqs)
 - [Fault Tolerance](https://www.cockroachlabs.com/blog/what-is-fault-tolerance/)
 
@@ -66,7 +67,6 @@ This repository contains free resources to learn System Design concepts and prep
 - [Service Discovery](https://blog.algomaster.io/p/service-discovery-in-distributed-systems)
 - [Consensus Algorithms](https://medium.com/@sourabhatta1819/consensus-in-distributed-system-ac79f8ba2b8c)
 - [Distributed Locking](https://martin.kleppmann.com/2016/02/08/how-to-do-distributed-locking.html)
-- [Microservices Guidelines](https://newsletter.systemdesign.one/p/netflix-microservices) 
 - [Gossip Protocol](http://highscalability.com/blog/2023/7/16/gossip-protocol-explained.html)
 - [Circuit Breaker](https://medium.com/geekculture/design-patterns-for-microservices-circuit-breaker-pattern-276249ffab33)
 - [Disaster Recovery](https://cloud.google.com/learn/what-is-disaster-recovery)
@@ -138,15 +138,12 @@ This repository contains free resources to learn System Design concepts and prep
 - [Design Google Docs](https://www.youtube.com/watch?v=2auwirNBvGg)
 - [Design Google Maps](https://www.youtube.com/watch?v=jk3yvVfNvds)
 - [Design Zoom](https://www.youtube.com/watch?v=G32ThJakeHk)
-- [Design Distributed Counter](https://systemdesign.one/distributed-counter-system-design/)
 - [Design File Sharing System like Dropbox](https://www.youtube.com/watch?v=U0xTu6E2CT8)
 - [Design Ticket Booking System like BookMyShow](https://www.youtube.com/watch?v=lBAwJgoO3Ek)
 - [Design Distributed Web Crawler](https://www.youtube.com/watch?v=BKZxZwUgL3Y)
 - [Design Code Deployment System](https://www.youtube.com/watch?v=q0KGYwNbf-0)
 - [Design Distributed Cloud Storage like S3](https://www.youtube.com/watch?v=UmWtcgC96X8)
 - [Design Distributed Locking Service](https://www.youtube.com/watch?v=v7x75aN9liM)
-- [Design Slack](https://systemdesign.one/slack-architecture/)
-- [Design Live Comments](https://systemdesign.one/live-comment-system-design/)
 
 ## 📇 Courses
 - [System Design Fundamentals](https://algomaster.io/learn/system-design/course-introduction)