Fix - remove deprecated args checking in deepspeed intergrations (#41282)

Remove deprecated args checking in deepspeed intergrations

Signed-off-by: nguyen599 <pnvmanh2123@gmail.com>
Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com>

Author: nguyen599

src/transformers/integrations/deepspeed.py

@@ -356,11 +356,6 @@ def deepspeed_optim_sched(trainer, hf_deepspeed_config, args, num_training_steps
 
     optimizer = None
     if "optimizer" in config:
-        if args.optim == "adafactor":
-            raise ValueError(
-                "--adafactor was passed, but also found `optimizer` configured in the DeepSpeed config. "
-                "Only one optimizer can be configured."
-            )
         optimizer = DummyOptim(params=model_parameters)
     else:
         if hf_deepspeed_config.is_offload():