Remove unnecessary references to libunwind.

Bug: 79209464

Test: Builds and all tests pass on taimen (runtests.sh).
Change-Id: I9f8e556a0cb796be71acd8f8d8ec2aecbfc5544b
Merged-In: I9f8e556a0cb796be71acd8f8d8ec2aecbfc5544b
(cherry picked from commit a8fde69e9afb234383c58d48ade8152d229dee61)
1 file changed
tree: 812f76d1956823120d1d8c6fa74c5cf6141a1f66
  1. service/
  2. PREUPLOAD.cfg