Merge pull request #13689 from JosJuice/lock-core-any-thread

Core: Let any thread call previously host-thread-only functions

Source/UnitTests/UnitTestsMain.cpp

@@ -25,7 +25,6 @@ int main(int argc, char** argv)
 {
   fmt::print(stderr, "Running main() from UnitTestsMain.cpp\n");
   Common::RegisterMsgAlertHandler(TestMsgHandler);
-  Core::DeclareAsHostThread();
 
   ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();