[Linker] Zap a dead typedef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172841 91177308-0d34-0410-b5e6-96231b3b80d8
This is a resubmittal. For some reason it broke the bots yesterday
but I cannot reproduce the problem and have scrubed my sources and
even tested with llvm-lit -v --vg.

Removal of redundant code and formatting fixes.

Contributers: Jack Carter/Vladimir Medic
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172842 91177308-0d34-0410-b5e6-96231b3b80d8