Fix unrecognized parallelism parameters for vLLM engine

Signed-off-by: Bradley <bradley.b.pitt@gmail.com>

Author: usberkeley

vllm_omni/model_executor/stage_configs/hunyuan_image_3_moe.yaml

@@ -19,11 +19,8 @@ stage_args:
       engine_output_type: latent
       enable_prefix_caching: false
       max_num_batched_tokens: 32768
-      parallel_config:
-        tensor_parallel_size: 1
-        pipeline_parallel_size: 1
-        data_parallel_size: 1
-        sequence_parallel_size: 1
+      tensor_parallel_size: 5
+      pipeline_parallel_size: 1
     is_comprehension: true
     final_output: true
     final_output_type: text