Revert "Teach the default symbol vendor to respect module.GetSymbolFileFileSpec()"

This reverts commit r351330 due to failures on MacOS bots.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@351353 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed