Revert "[lit] GoogleTest framework should report failures if test binary crashes"

This reverts commit ef210318 because it
breaks the Windows bot:

http://lab.llvm.org:8011/builders/lldb-x64-windows-ninja/builds/16447

Failing Tests (2):
  ...
  lldb-unit :: API/./APITests.exe/failed_to_discover_tests_from_gtest