[Object][COFF] Revert r258665 - It doesn't do what I had intended.

I'm discussing the right approach for tracking visibility for COFF symbols on
the llvm-dev list.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258666 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed