fix: consolidate return statement in get_engine_runtime_config (#5442)

Signed-off-by: Dan Gil <dagil@nvidia.com>

components/src/dynamo/trtllm/main.py

@@ -100,12 +100,10 @@ async def get_engine_runtime_config(
         logging.info(
             f"Set runtime config max_num_batched_tokens: {runtime_config.max_num_batched_tokens}"
         )
-
-        return runtime_config
-
     except Exception as e:
         logging.error(f"Failed to get runtime config from TensorRT-LLM engine: {e}")
-        # Return config with default/None values if retrieval fails
+        # Keep default/None values if retrieval fails
+
     return runtime_config