Delete offloading-interoperability.c

The test is now failing on Windows. This is causing too much pain,
let's just drop it from the branch.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_39@277207 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed