[clang] [clang][DependencyScanning] Remove dependency on clangDriver from clangDependencyScanning (PR #172347)

[Naveen Seth Hanig via cfe-commits]

naveen-seth wrote:

> I think this change might be responsible for the failures here: https://lab.llvm.org/buildbot/#/builders/25/builds/14594
> 
> I think they are hitting a UBSan check:
> 
> …

I believe this was fixed by #174515. The corresponding Buildbot build (https://lab.llvm.org/buildbot/#/builders/25/builds/14595) is not hitting the UBSan checks anymore.

https://github.com/llvm/llvm-project/pull/172347