Remove outdated tests

Author: s-alexey

tests/actors/test_integration.py

@@ -103,7 +103,6 @@ def create_model_proxy_client():
 
 
 @pytest.fixture
-# def llm_actor(actor_cls, model_name, env_vars, client_factory):
 def llm_actor(request):
     actor_cls, model_name, env_vars, client_factory = request.param