Remove _use_edge_ops=False (#20909)

[JakeStevens]

Summary:

Support for _use_edge_ops=False has been marked for removal for awhile.

This PR finalizes it. Preceeding PRs have removed all OSS usages of it in-tree.

Reviewed By: rascani

Differential Revision: D111926304

[pytorch-bot]

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❌ You can merge normally! (1 Unrelated Failure), 1 Unclassified Failure

As of commit ae637cb with merge base c995192 ():

UNCLASSIFIED FAILURE - DrCI could not classify the following job because the workflow did not run on the merge base. The failure may be pre-existing on trunk or introduced by this PR:

• Check Labels / Check labels (gh) (this job did not run on the merge base, so DrCI cannot tell whether the failure is pre-existing)

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / test-arm-backend-no-driver (test_pytest_models_tosa) / linux-job (gh) (trunk failure)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.

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[meta-codesync]

@JakeStevens has exported this pull request. If you are a Meta employee, you can view the originating Diff in D111926304.

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