[Config] Remove diffusion_batch_size and use max_num_seqs instead. (#6484)

Signed-off-by: LyxWxj <yuxuanlou621@foxmail.com>
Signed-off-by: Yuxuan Rho <104440472+LyxWxj@users.noreply.github.com>
Co-authored-by: Hongsheng Liu <liuhongsheng4@huawei.com>

tests/diffusion/test_prompt_update.py

@@ -387,7 +387,6 @@ class TestPromptUpdateIntegration:
                     model="test_model",
                     od_config=od_config,
                     metadata=metadata,
-                    batch_size=1,
                 )
 
     @staticmethod