Auto merge of #144255 - ognevny:dist-windows-no-llvm-build, r=<try>

[DONT MERGE] opt-dist: set `build_llvm` to false for WindowsCi

suggested in #143898 (comment). see #143898 (comment) as the reason for such test

<!-- homu-ignore:start -->
<!--
If this PR is related to an unstable feature or an otherwise tracked effort,
please link to the relevant tracking issue here. If you don't know of a related
tracking issue or there are none, feel free to ignore this.

This PR will get automatically assigned to a reviewer. In case you would like
a specific user to review your work, you can assign it to them by using

    r? <reviewer name>
-->
<!-- homu-ignore:end -->
r? `@ghost`

cc `@Kobzol` for a try-job

try-job: dist-x86_64-msvc

Author: rust-bors[bot]

src/tools/opt-dist/src/main.rs

@@ -206,7 +206,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec<String>)>
                 .skipped_tests(vec![])
                 .run_tests(true)
                 .fast_try_build(is_fast_try_build)
-                .build_llvm(true)
+                .build_llvm(false)
                 .build()?;
 
             (env, shared.build_args)