[CI] Disable jemalloc for running the tests with wine

Summary:
This is causing a deadlock when running test_bitcoin (but not running
each test individually).

Depends on D6373.

Test Plan: Run the CI build-win64 build plan.

Reviewers: #bitcoin_abc, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D6374