Revert D28474982: Make TP agent use streams from Future when sending response
Test Plan: revert-hammer
Differential Revision:
D28474982 (https://github.com/pytorch/pytorch/commit/19a7472702747a570a8d88f505216a0f9b469d6d)
Original commit changeset: c0034eb3f2a2
fbshipit-source-id: fb260c71e6c9dd5a2c44121fe4729a4f4418532b
