[hwasan] Remove dead code.

Change-Id: I60f8f81d93077acb5c4b9c8a4fef06197d0af12a
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@346452 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed