[CI] Deduplicate test_bitcoin run for the TSAN build

Summary:
This is a oversight from D5042.
The check target is run despite the test_bitcoin executable has
already been executed.

Test Plan: Run the CI TSAN build.

Reviewers: #bitcoin_abc, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D5213