[ARM, Asm] Remove dead code causing MSan failure.

r314779 caused ErrorInfo to be red uninitialised, but also made this code dead,
so it can just be removed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314791 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed