Fix boost::thread::interruption_point causing build failure on Windows

Summary: Revert some of the changes from D3042.

Test Plan: Run Gitian build for windows

Reviewers: #bitcoin_abc, deadalnix, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Subscribers: jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D3054