Revert "[ci] New script to generate test reports as Buildkite Annotations (llvm#113447)"

This reverts commit e74a002.

As it is failing on Linux with "OSError: [Errno 7] Argument list too long: 'buildkite-agent'".

Author: DavidSpickett

.ci/generate_test_report.py

@@ -28,16 +28,11 @@ if [[ -n "${CLEAR_CACHE:-}" ]]; then
   ccache --clear
 fi
 
-function at-exit {
+function show-stats {
   mkdir -p artifacts
   ccache --print-stats > artifacts/ccache_stats.txt
-
-  # If building fails there will be no results files.
-  shopt -s nullglob
-  python3 "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":linux: Linux x64 Test Results" \
-    "linux-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
 }
-trap at-exit EXIT
+trap show-stats EXIT
 
 projects="${1}"
 targets="${2}"
@@ -47,7 +42,6 @@ lit_args="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --use-unique-outpu
 echo "--- cmake"
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
 pip install -q -r "${MONOREPO_ROOT}"/lldb/test/requirements.txt
-pip install -q -r "${MONOREPO_ROOT}"/.ci/requirements.txt
 cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
       -D LLVM_ENABLE_PROJECTS="${projects}" \
       -G Ninja \

.ci/monolithic-linux.sh

@@ -27,23 +27,17 @@ if [[ -n "${CLEAR_CACHE:-}" ]]; then
 fi
 
 sccache --zero-stats
-function at-exit {
+function show-stats {
   mkdir -p artifacts
   sccache --show-stats >> artifacts/sccache_stats.txt
-
-  # If building fails there will be no results files.
-  shopt -s nullglob
-  python "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":windows: Windows x64 Test Results" \
-    "windows-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
 }
-trap at-exit EXIT
+trap show-stats EXIT
 
 projects="${1}"
 targets="${2}"
 
 echo "--- cmake"
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
-pip install -q -r "${MONOREPO_ROOT}"/.ci/requirements.txt
 
 # The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
 # on fixing a build reliability issue on the build server, please