Revert "[SDPA][CUDA] Prefer cuDNN SDPA backend on sm86 and sm89 (#192799)"

This reverts commit aa1a622e4329400c1068cbbb2192a034ed854d26.

Reverted https://github.com/pytorch/pytorch/pull/192799 on behalf of https://github.com/pytorch-auto-revert due to Reverted automatically by pytorch's autorevert, to avoid this behaviour add the tag autorevert: disable ([comment](https://github.com/pytorch/pytorch/pull/192799#issuecomment-5403368343))