Remove dead lce_forward_deprecated path from qwen2#1240
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vaibhavjindal wants to merge 1 commit into
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lce_forward_deprecated in transformers/model/qwen2.py was the pre- logits_to_keep codepath. It has had zero references in src/, test/, or benchmark/ for some time and the active lce_forward right below it has been the only one wired into the monkey patch. Removing it also drops four imports that only it used (CrossEntropyLoss, CausalLMOutputWithPast, LigerFusedLinearCrossEntropyLoss, and the redundant blank line). Net: -120 LOC, no behavior change.
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