Drop revision pin from Transformers snippets (not needed post-merge)

README.md

@@ -430,9 +430,8 @@ from transformers import AutoModelForRNNT, AutoProcessor
 from transformers.audio_utils import load_audio
 
 model_id = "nvidia/nemotron-3.5-asr-streaming-0.6b"
-revision = "refs/pr/20"
-processor = AutoProcessor.from_pretrained(model_id, revision=revision)
-model = AutoModelForRNNT.from_pretrained(model_id, revision=revision, device_map="auto")
+processor = AutoProcessor.from_pretrained(model_id)
+model = AutoModelForRNNT.from_pretrained(model_id, device_map="auto")
 
 audio = load_audio(
     "https://huggingface.co/datasets/hf-internal-testing/dummy-audio-samples/resolve/main/bcn_weather.mp3",
@@ -462,9 +461,8 @@ from transformers import AutoModelForRNNT, AutoProcessor, TextIteratorStreamer
 from transformers.audio_utils import load_audio
 
 model_id = "nvidia/nemotron-3.5-asr-streaming-0.6b"
-revision = "refs/pr/20"
-processor = AutoProcessor.from_pretrained(model_id, revision=revision)
-model = AutoModelForRNNT.from_pretrained(model_id, revision=revision, device_map="auto")
+processor = AutoProcessor.from_pretrained(model_id)
+model = AutoModelForRNNT.from_pretrained(model_id, device_map="auto")
 
 processor.set_num_lookahead_tokens(6)
 print(f"Streaming latency: {processor.streaming_latency_ms} ms")