Revert D34898108: Process inputs and outputs in fx interpreter
Test Plan: revert-hammer
Differential Revision:
D34898108 (https://github.com/pytorch/pytorch/commit/f65594fc9f969ac66f79fb8706d516f743933d80)
Original commit changeset: 250bd236f6c8
Original Phabricator Diff: D34898108 (https://github.com/pytorch/pytorch/commit/f65594fc9f969ac66f79fb8706d516f743933d80)
fbshipit-source-id: 5f634bbc0b393ebcacc0298fd86505a26637ea84
(cherry picked from commit 5804247425afd758d6df6e935374f6965a1c0f54)
