Update fp8_block_example.py (#1836)

- Should not be set to auto

Author: dsikka

examples/quantization_w8a8_fp8/fp8_block_example.py

@@ -7,9 +7,7 @@
 MODEL_ID = "Qwen/Qwen3-30B-A3B"
 
 # Load model.
-model = AutoModelForCausalLM.from_pretrained(
-    MODEL_ID, device_map="auto", torch_dtype="auto"
-)
+model = AutoModelForCausalLM.from_pretrained(MODEL_ID, torch_dtype="auto")
 tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
 
 # Configure the quantization algorithm and scheme.