Revert r154086. It may be needed for Darwin. But the symbols are still missing in the dylib.
Revert r154086. It may be needed for Darwin. But the symbols are still missing in the dylib.

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@154108 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb