Remove torchaudio check; we don't use it

Author: Jack-Khuu

.github/workflows/pull.yml

@@ -458,7 +458,6 @@ jobs:
           pip3 list
           python3 -c 'import torch;print(f"torch: {torch.__version__, torch.version.git_version}")'
           python3 -c 'import torchvision;print(f"torchvision: {torchvision.__version__, torchvision.version.git_version}")'
-          python3 -c 'import torchaudio;print(f"torchaudio: {torchaudio.__version__, torchaudio.version.git_version}")'
 
           cd ../..
           echo "Inside: ${PWD}"