fix emojies

test_duckdb_storage.py

@@ -203,14 +203,14 @@ print("   - Data retrieval: WORKING")
 print("   - SQL queries: WORKING")
 print("   - Annotation manager: WORKING")
 
-print("\n📊 Performance:")
+print("\nPerformance:")
 print(f"   - Initialization: {init_time:.2f}s")
 if 'fetch_time' in locals():
     print(f"   - Data fetch: {fetch_time:.2f}s")
 if 'query_time' in locals():
     print(f"   - DuckDB query: {query_time*1000:.1f}ms")
 
-print("\n💡 Benefits:")
+print("\nBenefits:")
 print("   - Single storage system (no dual cache)")
 print("   - Native Parquet support (fast queries)")
 print("   - Full SQL capabilities (complex queries)")