Simplify aot_module_simplified by removing top_args/top_kwargs (#89666)
This makes good on Chillee's CR comment at
https://github.com/pytorch/functorch/pull/660/files/af30d351cc93dfafb5a94dbcb32983c5ef65fd6a#r843315222
which was never done in the original PR.
There is no logic change, just unpack the args/kwargs at the top
level and remove the inner function indirection.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89666
Approved by: https://github.com/voznesenskym
