Remove PyTorch libraries from aoti_cuda target

[larryliu0820]

Removed linking to PyTorch libraries in aoti_cuda target.

Summary

[PLEASE REMOVE] See CONTRIBUTING.md's Pull Requests for ExecuTorch PR guidelines.

[PLEASE REMOVE] If this PR closes an issue, please add a Fixes #<issue-id> line.

[PLEASE REMOVE] If this PR introduces a fix or feature that should be the upcoming release notes, please add a "Release notes: " label. For a list of available release notes labels, check out CONTRIBUTING.md's Pull Requests.

Test plan

[PLEASE REMOVE] How did you test this PR? Please write down any manual commands you used and note down tests that you have written if applicable.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/14908

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❌ 6 New Failures, 3 Cancelled Jobs

As of commit 039f78e with merge base 1da530d ():

NEW FAILURES - The following jobs have failed:

• Build Presets / linux (llm, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build (gh)
• Test CUDA Builds / test-models-cuda (add_mul) / linux-job (gh)
  RuntimeError: Command docker exec -t df1f86f20b348805ec56d50ef3ec936f7dc7f1acbbf14dfb4cf5e7ba144dab33 /exec failed with exit code 127
• Test CUDA Builds / test-models-cuda (add) / linux-job (gh)
  RuntimeError: Command docker exec -t 0a6328b1855b29cf63af4bb7b80e23930b01f6de2437cb3f75d01ec556e1c301 /exec failed with exit code 127
• Test CUDA Builds / test-models-cuda (linear) / linux-job (gh)
  RuntimeError: Command docker exec -t 6250735dfdca56daaa66a1ba4266c1cf08e3075c8237ec5cd1ba378bf1d0bffc /exec failed with exit code 127
• Test CUDA Builds / test-models-cuda (resnet18) / linux-job (gh)
  RuntimeError: Command docker exec -t 6b0e54632031725ce6e0c1f50ef07433bc3d3924d10e247899faef260153226f /exec failed with exit code 127
• Test CUDA Builds / test-voxtral-cuda-e2e / linux-job (gh)
  RuntimeError: Command docker exec -t 0d0f97442fdcb12793572ae82814e00cb1c6211ac3d9cdf1409be1df292323d1 /exec failed with exit code 1

CANCELLED JOBS - The following jobs were cancelled. Please retry:

• Lint / link-check / lint-file-size / linux-job (gh)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
• pull / android / build-llm-demo / linux-job (gh)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
• pull / test-moshi-linux / linux-job (gh)

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[mergennachin]

@larryliu0820 Do you still need this?

[mergennachin]

Closing, not needed probably