Revert "Fix alignment bug in COFF emission."

I accidentally combined this patch with one for adding more tests, they
should be separated.

This reverts commit 3da218a523be78df32e637d3446ecf97c9ea0465.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305257 91177308-0d34-0410-b5e6-96231b3b80d8
15 files changed