trunk/52b7da3f54bb5af4e72fc6040fc43f091267ad09: Revert "Fix custom op autograd gradient count errors (#186226)"

«This reverts commit 2dfe47a. Reverted #186226 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)»