transformers

ab925343 - enable sdpa enable gqa logic for Ascend NPU (#41601)

enable sdpa enable gqa logic for Ascend NPU (#41601) * enable gqa logic for Ascend NPU * remove redundant comments * fix comments about Ascend NPU --------- Co-authored-by: Anton Vlasjuk <73884904+vasqu@users.noreply.github.com>