Update requirements.txt

requirements.txt

@@ -1,7 +1,3 @@
-gradio>=4.0.0
-nltk>=3.8.1
-pandas>=2.0.0
-numpy>=1.24.0
-soundfile>=0.12.1
-librosa>=0.10.1
-python-dateutil>=2.8.2
+torch
+nemo_toolkit[asr]
+gradio