[TTS] remove old waveglow model that relies on torch_stft. (#6128)

Signed-off-by: Xuesong Yang <[email protected]>

docs/source/tts/data/ngc_models_vocoder.csv

@@ -6,7 +6,6 @@ en-US,tts_en_hifitts_hifigan_ft_fastpitch,FastPitch,HiFiTTS,44100Hz,10,nemo.coll
 en-US,tts_en_lj_univnet,librosa.filters.mel,LJSpeech,22050Hz,1,nemo.collections.tts.models.univnet.UnivNetModel,`tts_en_lj_univnet <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_en_lj_univnet>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_en_lj_univnet/versions/1.7.0/files/tts_en_lj_univnet.nemo``
 en-US,tts_en_libritts_univnet,librosa.filters.mel,LibriTTS,24000Hz,1,nemo.collections.tts.models.univnet.UnivNetModel,`tts_en_libritts_univnet <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_en_libritts_univnet>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_en_libritts_univnet/versions/1.7.0/files/tts_en_libritts_multispeaker_univnet.nemo``
 en-US,tts_waveglow_88m,librosa.filters.mel,LJSpeech,22050Hz,1,nemo.collections.tts.models.waveglow.WaveGlowModel,`tts_waveglow_88m <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_waveglow_88m>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_waveglow_88m/versions/1.0.0/files/tts_waveglow.nemo``
-en-US,tts_waveglow_268m,librosa.filters.mel,LJSpeech,22050Hz,1,nemo.collections.tts.models.waveglow.WaveGlowModel,`tts_waveglow_268m <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_waveglow_268m>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_waveglow_268m/versions/1.0.0rc1/files/tts_waveglow_268m.nemo``
 de-DE,tts_de_hui_hifigan_ft_fastpitch_multispeaker_5,FastPitch,HUI Audio Corpus German,44100Hz,5,nemo.collections.tts.models.hifigan.HifiGanModel,`tts_de_fastpitch_multispeaker_5 <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_de_fastpitch_multispeaker_5>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_de_fastpitch_multispeaker_5/versions/1.11.0/files/tts_de_hui_hifigan_ft_fastpitch_multispeaker_5.nemo``
 de-DE,tts_de_hifigan_singleSpeaker_thorstenNeutral_2102,FastPitch,Thorsten Müller Neutral 21.02 dataset,22050Hz,1,nemo.collections.tts.models.hifigan.HifiGanModel,`tts_de_fastpitchhifigan <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_de_fastpitchhifigan>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_de_fastpitchhifigan/versions/1.15.0/files/tts_de_hifigan_thorstens2102.nemo``
 de-DE,tts_de_hifigan_singleSpeaker_thorstenNeutral_2210,FastPitch,Thorsten Müller Neutral 22.10 dataset,22050Hz,1,nemo.collections.tts.models.hifigan.HifiGanModel,`tts_de_fastpitchhifigan <https://ngc.nvidia.com/catalog/models/nvidia:nemo:tts_de_fastpitchhifigan>`_,``https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_de_fastpitchhifigan/versions/1.15.0/files/tts_de_hifigan_thorstens2210.nemo``

nemo/collections/tts/models/waveglow.py

@@ -173,13 +173,6 @@ def list_available_models(cls) -> 'List[PretrainedModelInfo]':
             List of available pre-trained models.
         """
         list_of_models = []
-        model = PretrainedModelInfo(
-            pretrained_model_name="tts_waveglow_268m",
-            location="https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_waveglow_268m/versions/1.0.0rc1/files/tts_waveglow_268m.nemo",
-            description="This model is trained on LJSpeech sampled at 22050Hz, and has been tested on generating female English voices with an American accent and Mandarin voices.",
-            class_=cls,
-        )
-        list_of_models.append(model)
         model = PretrainedModelInfo(
             pretrained_model_name="tts_waveglow_88m",
             location="https://api.ngc.nvidia.com/v2/models/nvidia/nemo/tts_waveglow_88m/versions/1.0.0/files/tts_waveglow.nemo",