tree a95a90828dca11dc7e4b162afa9bdeb6f469c444
parent 5db8aecab2021ce9adf57eba950617fa258b0163
author Dan Albert <danalbert@google.com> 1439325795 -0700
committer Dan Albert <danalbert@google.com> 1439331161 -0700

Update for the unwinder's new home.

The unwinder has moved into its own project (now living at
external/libunwind_llvm). Drop any unwinder related build rules.

Change-Id: Ia4ece5b72faef4e58c48682de89037dd5fc713a3