Update smart-contracts-security.md

Author: Mikhail Dashkevich

blockchain/security/smart-contracts-security.md

@@ -8,7 +8,6 @@
 * [8 Ways to Check if a Token is a Scam at a Glance](https://www.binance.com/en/square/post/2024-05-18-8-8266602015474)
 * [WHAT IS A GOVERNANCE ATTACK?](https://www.halborn.com/blog/post/what-is-a-governance-attack)
 * [Reentrancy attacks in smart contracts, explained](https://cointelegraph.com/explained/reentrancy-attacks-in-smart-contracts-explained)
-* [What is a Reentrancy attack? — Let’s understand them and prevent them.](https://www.binance.com/en/square/post/536271)
 
 * [What is market manipulation in cryptocurrency?](https://cointelegraph.com/explained/what-is-market-manipulation-in-cryptocurrency)
 * [Price Oracle Manipulation Attacks - The Full Guide](https://www.cyfrin.io/blog/price-oracle-manipulation-attacks-with-examples)