[libunwind] Revert "Use the from-scratch testing configuration by default"

This reverts commit 5a8ad80b6fa5cbad58b78384f534b78fca863e7f, which broke
the Bootstrapping build. I'm reverting until we've fixed the issue.

Differential Revision: https://reviews.llvm.org/D112082

GitOrigin-RevId: 070a2ddcb6657f1b497b8003384bae31e27e497d
1 file changed
tree: bed3c59dba9f87b22f6fafce9119b3831908155d
  1. .clang-format
  2. CMakeLists.txt
  3. LICENSE.TXT
  4. cmake/
  5. docs/
  6. include/
  7. src/
  8. test/