keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

 funasr/models/specaug/abs_specaug.py

@@ -6,9 +6,7 @@

class AbsSpecAug(torch.nn.Module):
    """Abstract class for the augmentation of spectrogram

    The process-flow:

    Frontend  -> SpecAug -> Normalization -> Encoder -> Decoder
    """