Remove unused class.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190462 91177308-0d34-0410-b5e6-96231b3b80d8
Get rid of unused isPodLike definition.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190463 91177308-0d34-0410-b5e6-96231b3b80d8