Revert "DebugInfoD tests + fixing issues exposed by tests (#85693)"

This reverts commit 6d939a6ec69adf284cdbef2034b49fd02ba503fc.

This broke following LLDB bots:
https://lab.llvm.org/buildbot/#/builders/96/builds/54867
https://lab.llvm.org/buildbot/#/builders/17/builds/50824

GitOrigin-RevId: 7fc2fbb3f1961e0ad0722c2d749ddd6264195a1c
10 files changed