Update requirements.txt

requirements.txt

@@ -1,6 +1,4 @@
-# install from https://pytorch.org/get-started/locally/
-# torch>=1.5.1
-# torchvision>=0.6.1
+torch
 tqdm>=4.30
 librosa>=0.6.3,<0.9
 opencv_python>=4.2.0