fix documentation

Signed-off-by: Richard Liu <[email protected]>

docs/source/getting_started/tpu-installation.rst

@@ -55,14 +55,6 @@ First, install the dependencies:
     $ # Clean up the existing torch and torch-xla packages.
     $ pip uninstall torch torch-xla -y
 
-    $ # Install PyTorch and PyTorch XLA.
-    $ pip install --pre torch==2.6.0.dev20241028+cpu torchvision==0.20.0.dev20241028+cpu --index-url https://download.pytorch.org/whl/nightly/cpu
-    $ pip install 'torch_xla[tpu] @ https://storage.googleapis.com/pytorch-xla-releases/wheels/tpuvm/torch_xla-2.6.0.dev-cp310-cp310-linux_x86_64.whl' -f https://storage.googleapis.com/libtpu-releases/index.html
-
-    $ # Install JAX and Pallas.
-    $ pip install torch_xla[pallas] -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html -f https://storage.googleapis.com/jax-releases/jaxlib_nightly_releases.html
-    $ pip install jaxlib==0.4.32.dev20240829 jax==0.4.32.dev20240829 -f https://storage.googleapis.com/jax-releases/jax_nightly_releases.html -f https://storage.googleapis.com/jax-releases/jaxlib_nightly_releases.html
-
     $ # Install other build dependencies.
     $ pip install -r requirements-tpu.txt