Revert "Include dispatch key in wrapper symbol name (#90674)"
This reverts commit e87370133cb839a2c934eeafb002dbe8c1190f1a.
Reverted https://github.com/pytorch/pytorch/pull/90674 on behalf of https://github.com/osalpekar due to executorch breakage internally, more details in [D42051698](https://www.internalfb.com/diff/D42051698)