Revert "[Itanium] Emit type info names with external linkage."

This reverts commit r331957. It seems to be causing failures
on ppc64le-linux.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@331963 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed