[llvm] [libcxx] remove linux buildkite builders entirely (PR #73825)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Eric (EricWF)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/73825.diff


2 Files Affected:

- (modified) .github/workflows/libcxx-build-and-test.yaml (+4) 
- (modified) libcxx/utils/ci/buildkite-pipeline.yml (-14) 


``````````diff
diff --git a/.github/workflows/libcxx-build-and-test.yaml b/.github/workflows/libcxx-build-and-test.yaml
index dccfe54d4646767..5204fb4569ed309 100644
--- a/.github/workflows/libcxx-build-and-test.yaml
+++ b/.github/workflows/libcxx-build-and-test.yaml
@@ -158,6 +158,10 @@ jobs:
           'generic-no-wide-characters',
           'generic-static',
           'generic-with_llvm_unwinder'
+          # TODO Find a better place for the benchmark and bootstrapping builds to live. They're either very expensive
+          # or don't provide much value since the benchmark run results are too noise on the bots.
+          'benchmarks',
+          'bootstrapping-build',
         ]
         machine: [ 'libcxx-runners-8' ]
         std_modules: [ 'OFF' ]
diff --git a/libcxx/utils/ci/buildkite-pipeline.yml b/libcxx/utils/ci/buildkite-pipeline.yml
index 3c49247ab5aeeb9..7077f754220eb21 100644
--- a/libcxx/utils/ci/buildkite-pipeline.yml
+++ b/libcxx/utils/ci/buildkite-pipeline.yml
@@ -101,20 +101,6 @@ environment_definitions:
 
 
 steps:
-- label: Bootstrapping build
-  command: libcxx/utils/ci/run-buildbot bootstrapping-build
-  env:
-    <<: *common_env
-  <<: *linux_agent
-  <<: *common
-
-- label: Benchmarks
-  command: libcxx/utils/ci/run-buildbot benchmarks
-  env:
-    <<: *common_env
-  <<: *linux_agent
-  <<: *common
-
 - group: ':windows: Windows'
   steps:
   - label: Clang-cl (DLL)

``````````

</details>


https://github.com/llvm/llvm-project/pull/73825