Revert "[EXIR] Register _clone_dim_order op and map aten.clone"

[jackzhxng]

Reverts #12971

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/13723

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❌ 3 New Failures

As of commit b79289c with merge base 5afe90d ():

NEW FAILURES - The following jobs have failed:

• pull / unittest-arm-backend-with-no-fvp (test_pytest_ops) / linux-job (gh)
  RuntimeError: Command docker exec -t ae479a129cf9573060c7ccc8f35daadd7e31054d56914b03233c1ef7a3931b1f /exec failed with exit code 1
• trunk / test-arm-backend (test_pytest_ops_ethosu_fvp) / linux-job (gh)
  RuntimeError: Command docker exec -t 7f9eb32a34ed5b75f402d09b03a705631c05fc485b5b08e3fca7f06f90d93498 /exec failed with exit code 1
• trunk / test-huggingface-transformers-coreml (qwen3-1.7b|xnnpack|--quantize) / macos-job (gh)
  RuntimeError: Command bash /Users/runner/work/_temp/exec_script failed with exit code 139

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