Revert "[PECOFF] Add a test for the import table."

This reverts r191469 because the original patch this one depends on (r191472)
was reverted.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@191479 91177308-0d34-0410-b5e6-96231b3b80d8
[ELF] Mark STT_GNU_IFUNC symbols as code.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@191566 91177308-0d34-0410-b5e6-96231b3b80d8
[ELF] Handle copy relocations for PC32.

This will eventually need to be refactored to better handle COPY relocations,
as other relocations can also generate them. I'm not yet sure the exact
circumstances in which they are needed yet.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@191567 91177308-0d34-0410-b5e6-96231b3b80d8
Re-submit [PECOFF] Add a test for the import table.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@191580 91177308-0d34-0410-b5e6-96231b3b80d8