fix: update minimal multi_agent_router example and docs for correct result handling

docs/swarms/examples/multi_agent_router_minimal.md

@@ -21,7 +21,6 @@ agents = [
 router = MultiAgentRouter(agents=agents)
 
 result = router.route_task("Write a function that adds two numbers")
-print("Chosen agent:", result["boss_decision"]["selected_agent"])
 ```
 
 View the source on [GitHub](https://github.com/kyegomez/swarms/blob/master/examples/multi_agent/mar/multi_agent_router_minimal.py).

examples/multi_agent/mar/multi_agent_router_minimal.py

@@ -17,4 +17,3 @@ if __name__ == "__main__":
     router = MultiAgentRouter(agents=agents)
 
     result = router.route_task("Write a function that adds two numbers")
-    print("Chosen agent:", result["boss_decision"]["selected_agent"])