[llvm] [mlir] CMake: Remove unnecessary dependencies on LLVM/MLIR (PR #110362)

[via llvm-commits]

Adnios wrote:

> buildkite/github-pull-requests/windows-windows-x64 — Passed

windows passed. The failure for linux is due to 
```
# .---command stderr------------
--
  | # \| In module 'std' imported from /var/lib/buildkite-agent/builds/linux-56-59b8f5d88-f4kc6-1/llvm-project/github-pull-requests/libcxx/test/std/thread/futures/futures.shared_future/get.pass.cpp:20:
  | # \| /var/lib/buildkite-agent/builds/linux-56-59b8f5d88-f4kc6-1/llvm-project/github-pull-requests/build-runtimes/libcxx/test-suite-install/include/c++/v1/__chrono/duration.h:90:101: error: no type named 'type' in 'std::common_type<long double, long double, long>'
  | # \|    90 \|     typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
  | # \|       \|             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
```

Does it expected?

I will be on leave next week. Will continue after back.

https://github.com/llvm/llvm-project/pull/110362