Revert "Milestone2.1: Partition to_dim_order_copy op in XNN delegate (#12220)"

[SS-JIA]

This reverts commit dd6caa3.

The imported diff is breaking an internal test: D78368033. Please see the diff for more details.

[SS-JIA]

Stack from ghstack (oldest at bottom):

• -> Revert "Milestone2.1: Partition to_dim_order_copy op in XNN delegate (#12220)" #12542

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❌ 1 New Failure, 6 Pending

As of commit c805e83 with merge base 07c8f0f ():

NEW FAILURE - The following job has failed:

• pull / test-eval_llama-mmlu-linux / linux-job (gh)
  RuntimeError: Command docker exec -t e74222fa090a4e39e798260ddbabde15706824fc6a9a6fe2aed006c3fcafb23d /exec failed with exit code 1

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