Remove flaky test section

.github/workflows/build_and_test.yml

@@ -366,71 +366,3 @@ jobs:
           cd ./src/test/hammerdb
           chmod +x run_hammerdb.sh
           run_hammerdb.sh citusbot_tpcc_benchmark_rg
-  prepare_parallelization_matrix_32:
-    name: Parallel 32
-    if: ${{ needs.test-flakyness-pre.outputs.tests != ''}}
-    needs: test-flakyness-pre
-    runs-on: ubuntu-20.04
-    outputs:
-      json: ${{ steps.parallelization.outputs.json }}
-    steps:
-      - uses: actions/checkout@v3.5.0
-      - uses: "./.github/actions/parallelization"
-        id: parallelization
-        with:
-          count: 32
-  test-flakyness-pre:
-    name: Detect regression tests need to be ran
-    if: ${{ !inputs.skip_test_flakyness }}}
-    runs-on: ubuntu-20.04
-    needs: build
-    outputs:
-      tests: ${{ steps.detect-regression-tests.outputs.tests }}
-    steps:
-    - uses: actions/checkout@v3.5.0
-      with:
-        fetch-depth: 0
-    - name: Detect regression tests need to be ran
-      id: detect-regression-tests
-      run: |-
-        detected_changes=$(git diff origin/main... --name-only --diff-filter=AM | (grep 'src/test/regress/sql/.*\.sql\|src/test/regress/spec/.*\.spec\|src/test/regress/citus_tests/test/test_.*\.py' || true))
-        tests=${detected_changes}
-        if [ -z "$tests" ]; then
-            echo "No test found."
-        else
-          echo "Detected tests " $tests
-        fi
-        echo tests="$tests" >> "$GITHUB_OUTPUT"
-  test-flakyness:
-    if: ${{ needs.test-flakyness-pre.outputs.tests != ''}}
-    name: Test flakyness
-    runs-on: ubuntu-20.04
-    container:
-      image: ${{ needs.params.outputs.fail_test_image_name }}:${{ needs.params.outputs.pg13_version }}${{ needs.params.outputs.image_suffix }}
-      options: --user root
-    env:
-      runs: 8
-    needs:
-    - params
-    - build
-    - test-flakyness-pre
-    - prepare_parallelization_matrix_32
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJson(needs.prepare_parallelization_matrix_32.outputs.json) }}
-    steps:
-    - uses: actions/checkout@v3.5.0
-    - uses: actions/download-artifact@v3.0.1
-    - uses: "./.github/actions/setup_extension"
-    - name: Run minimal tests
-      run: |-
-        tests="${{ needs.test-flakyness-pre.outputs.tests }}"
-        tests_array=($tests)
-        for test in "${tests_array[@]}"
-        do
-            test_name=$(echo "$test" | sed -r "s/.+\/(.+)\..+/\1/")
-            gosu circleci src/test/regress/citus_tests/run_test.py $test_name --repeat ${{ env.runs }} --use-base-schedule --use-whole-schedule-line
-        done
-      shell: bash
-    - uses: "./.github/actions/save_logs_and_results"
-      if: always()