byebye torch 2.4 (#47609)
* byebye torch 2.4
* remove usage of is_torch_greater_or_equal_than_2_5
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* deprecate allow_torch_fix kwarg in sdpa_mask (no-op since torch>=2.5)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>