fix wheel link (#6908)

README.md

@@ -158,7 +158,7 @@ bucket.
 | Version | Cloud TPU VMs Wheel |
 |---------|-------------------|
 | 2.1 (XRT + Python 3.10) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/xrt/tpuvm/torch_xla-2.1.0%2Bxrt-cp310-cp310-manylinux_2_28_x86_64.whl` |
-| 2.1 (Python 3.8) | `https://storage.googleapis.com/tpu-pytorch/wheels/tpuvm/torch_xla-2.1-cp38-cp38-linux_x86_64.whl` |
+| 2.1 (Python 3.8) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/tpuvm/torch_xla-2.1.0-cp38-cp38-linux_x86_64.whl` |
 | 2.0 (Python 3.8) | `https://storage.googleapis.com/tpu-pytorch/wheels/tpuvm/torch_xla-2.0-cp38-cp38-linux_x86_64.whl` |
 | 1.13 | `https://storage.googleapis.com/tpu-pytorch/wheels/tpuvm/torch_xla-1.13-cp38-cp38-linux_x86_64.whl` |
 | 1.12 | `https://storage.googleapis.com/tpu-pytorch/wheels/tpuvm/torch_xla-1.12-cp38-cp38-linux_x86_64.whl` |
@@ -195,7 +195,6 @@ wheels for `torch` and `torch_xla` at
 | 1.13 | `https://storage.googleapis.com/tpu-pytorch/wheels/cuda/112/torch_xla-1.13-cp37-cp37m-linux_x86_64.whl` |
 | 1.12 | `https://storage.googleapis.com/tpu-pytorch/wheels/cuda/112/torch_xla-1.12-cp37-cp37m-linux_x86_64.whl` |
 | 1.11 | `https://storage.googleapis.com/tpu-pytorch/wheels/cuda/112/torch_xla-1.11-cp37-cp37m-linux_x86_64.whl` |
-| nightly | `https://storage.googleapis.com/tpu-pytorch/wheels/cuda/112/torch_xla-nightly-cp37-cp37-linux_x86_64.whl` |
 
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