[clang-tools-extra] [llvm] [llvm] Remove the Legacy PM Hello example (PR #95708)

[Yingwei Zheng via cfe-commits]

dtcxzyw wrote:

> > You also need to remove the use of this pass (for testing purposes) from clang-tools-extra.
> 
> Done, thanks!
> 
> I don't understand why CI still fails:
> 
> ```shell
> Total Discovered Tests: 60135
> --
>   | Skipped          :    15 (0.02%)
>   | Unsupported      :  1005 (1.67%)
>   | Passed           : 58946 (98.02%)
>   | Expectedly Failed:   169 (0.28%)
>   | ninja: build stopped: cannot make progress due to previous errors.
>   | + show-stats
>   | + mkdir -p artifacts
>   | + ccache --print-stats
>   | 🚨 Error: The command exited with status 1
> ```
> 
> Can you see the actual failure? Looks like all tests passed, right?

It is caused by libc/lldb test failures. Don't worry :)


https://github.com/llvm/llvm-project/pull/95708