Update readme.md

Author: iamAntimPal

LeetCode SQL 50 Solution/1581. Customer Who Visited but Did Not Make Any Transactions/readme.md

@@ -108,13 +108,3 @@ GROUP BY customer_id;
 - 📖 [LeetCode Problem](https://leetcode.com/problems/customer-who-visited-but-did-not-make-any-transactions/)
 - 🔍 [SQL NOT IN Operator](https://www.w3schools.com/sql/sql_in.asp)
 - 📝 [MySQL Aggregate Functions](https://dev.mysql.com/doc/refman/8.0/en/group-by-functions.html)
-```
-
-### Features of this `README.md`:
-✅ **Clear problem description with table formatting**  
-✅ **Example with detailed explanation**  
-✅ **SQL solution breakdown for better understanding**  
-✅ **Organized file structure for repository**  
-✅ **Helpful links for further learning**  
-
-Would you like any refinements? 🚀