Remove invalid PyMongo SSL parameters - URI handles SSL automatically

The mongodb+srv:// URI scheme automatically enables SSL/TLS.
PyMongo handles certificate verification automatically for Atlas connections.
Removed invalid ssl_cert_reqs parameter that was causing ConfigurationError.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

database_mongo.py

@@ -54,10 +54,7 @@ class MongoDBManager:
                 serverSelectionTimeoutMS=10000,
                 connectTimeoutMS=10000,
                 socketTimeoutMS=10000,
-                retryWrites=True,
-                ssl=True,
-                ssl_cert_reqs='CERT_REQUIRED',
-                tlsAllowInvalidHostnames=False
+                retryWrites=True
             )
 
             # Test connection with proper error messaging