[TensorPipe] Update tensorpipe subodule + remove TP_NEW_API switch. (#56260)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56260
Test Plan: CI
Reviewed By: lw
Differential Revision: D27693102
fbshipit-source-id: b682e88f818657065a478b5a90ca1a4ca8c52018
