Merge bitcoin/bitcoin#24390: test: Remove suppression no longer needed with headers-only Boost.Test

81738d2 test: Remove suppression no longer needed with headers-only Boost.Test (Hennadii Stepanov)

Pull request description:

  It appears, that moving to [headers-only](bitcoin/bitcoin#24301) Boost.Test makes the removed suppression unneeded even without [bumping](bitcoin/bitcoin#24383) boost version.

ACKs for top commit:
  MarcoFalke:
    cr ACK 81738d2

Tree-SHA512: e60443f79a2e38cc78fceeff5c2956d622e8a10730129f9c27c14aef59bc6fa0894b8011e6191530443bf3165f78da978bc08ad04248ddb65e2da373264afa6a

Author: fanquake

test/sanitizer_suppressions/tsan

@@ -22,10 +22,6 @@ deadlock:sync_tests::potential_deadlock_detected
 race:src/qt/test/*
 deadlock:src/qt/test/*
 
-# Race in src/test/main.cpp
-# Can be removed once upgraded to boost test 1.74 in depends
-race:validation_chainstatemanager_tests
-
 # External libraries
 deadlock:libdb
 race:libzmq