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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• (merge blocking) [Maintenance] - Due to #190347 we're advancing a maintenance planned to Sunday to today

If you must merge, use @pytorchbot merge -f.

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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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