[clang] [compiler-rt] [Ubsan][Driver] Remove UBSAN C++ runtime from other sanitizers (PR #121006)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

> This change broke compiler-rt tests on mingw/i686 - have a look: https://github.com/mstorsjo/llvm-mingw/actions/runs/12487763901/job/34855514237
> 
> I haven't had time to dig in to understand what's really happening here, but I have pinpointed the failures to this specific commit by rerunning a similar build+test pipeline both with this commit and the preceding one.

It seems like this did run successfully in the next nightly, https://github.com/mstorsjo/llvm-mingw/actions/runs/12498011754/job/34877696509 - I presume this was fixed by #121082 and 32962f2b77c4298f9ef58182581edf56c76ac685. Thanks!

https://github.com/llvm/llvm-project/pull/121006