remove emojis from console

readme.md

@@ -92,12 +92,12 @@ gogo2/
 
 ## Data Sources
 
-### ✅ Approved Sources
+###  Approved Sources
 - Binance API (real-time and historical)
 - Cached real market data
 - TimescaleDB with real data
 
-### ❌ Prohibited Sources
+###  Prohibited Sources
 - Synthetic data generation
 - Random data simulation
 - Mock market conditions
@@ -228,4 +228,4 @@ This project is for educational and research purposes. Use real market data resp
 
 ---
 
-**⚠️ REMEMBER: This system's integrity depends on using only real market data. No exceptions.**
+** REMEMBER: This system's integrity depends on using only real market data. No exceptions.**