[LLDB] Stop building libunwind on LLDB asan bot

Author: adrian-prantl

zorg/jenkins/jobs/jobs/lldb-cmake-sanitized

@@ -108,7 +108,7 @@ pipeline {
                     python3 llvm-zorg/zorg/jenkins/monorepo_build.py lldb-cmake-sanitized build \
                       --assertions \
                       --projects="clang;lld;lldb"  \
-                      --runtimes="libunwind" \
+                      --runtimes="" \
                       --cmake-type=Release \
                       --lldb-test-compiler=$(xcrun -find clang)
                     '''