remove unnecessary warning

whisper/transcribe.py

@@ -70,16 +70,8 @@ def transcribe(
  A dictionary containing the resulting text ("text") and segment-level details ("segments"), and
  the spoken language ("language"), which is detected when `decode_options["language"]` is None.
  """
- dtype = torch.float16 if decode_options.get("fp16", True) else torch.float32
- if model.device == torch.device("cpu"):
- if torch.cuda.is_available():
- warnings.warn("Performing inference on CPU when CUDA is available")
- if dtype == torch.float16:
- warnings.warn("FP16 is not supported on CPU; using FP32 instead")
- dtype = torch.float32
-
- if dtype == torch.float32:
- decode_options["fp16"] = False
+ dtype = torch.float32
+ decode_options["fp16"] = False
 
  mel = log_mel_spectrogram(audio)