Remove flakiness workflow.

(cherry picked from commit 9e0fee907b)

.github/workflows/flaky_test_debugging.yml

@@ -1,79 +0,0 @@
-name: Flaky test debugging
-run-name: Flaky test debugging - ${{ inputs.flaky_test }} (${{ inputs.flaky_test_runs_per_job }}x${{ inputs.flaky_test_parallel_jobs }})
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-on:
-  workflow_dispatch:
-    inputs:
-      flaky_test:
-        required: true
-        type: string
-        description: Test to run
-      flaky_test_runs_per_job:
-        required: false
-        default: 8
-        type: number
-        description: Number of times to run the test
-      flaky_test_parallel_jobs:
-        required: false
-        default: 32
-        type: number
-        description: Number of parallel jobs to run
-jobs:
-  build:
-    name: Build Citus
-    runs-on: ubuntu-latest
-    container:
-      image: ${{ vars.build_image_name }}:${{ vars.pg15_version  }}${{ vars.image_suffix }}
-      options: --user root
-    steps:
-    - uses: actions/checkout@v3.5.0
-    - name: Configure, Build, and Install
-      run: |
-        echo "PG_MAJOR=${PG_MAJOR}" >> $GITHUB_ENV
-        ./ci/build-citus.sh
-      shell: bash
-    - uses: actions/upload-artifact@v3.1.1
-      with:
-        name: build-${{ env.PG_MAJOR }}
-        path: |-
-          ./build-${{ env.PG_MAJOR }}/*
-          ./install-${{ env.PG_MAJOR }}.tar
-  prepare_parallelization_matrix:
-    name: Prepare parallelization matrix
-    runs-on: ubuntu-latest
-    outputs:
-      json: ${{ steps.parallelization.outputs.json }}
-    steps:
-      - uses: actions/checkout@v3.5.0
-      - uses: "./.github/actions/parallelization"
-        id: parallelization
-        with:
-          count: ${{ inputs.flaky_test_parallel_jobs }}
-  test_flakyness:
-    name: Test flakyness
-    runs-on: ubuntu-latest
-    container:
-      image: ${{ vars.fail_test_image_name }}:${{ vars.pg15_version  }}${{ vars.image_suffix }}
-      options: --user root
-    needs:
-      [build, prepare_parallelization_matrix]
-    env:
-      test: "${{ inputs.flaky_test }}"
-      runs: "${{ inputs.flaky_test_runs_per_job }}"
-      skip: false
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJson(needs.prepare_parallelization_matrix.outputs.json) }}
-    steps:
-    - uses: actions/checkout@v3.5.0
-    - uses: "./.github/actions/setup_extension"
-    - name: Run minimal tests
-      run: |-
-          gosu circleci src/test/regress/citus_tests/run_test.py ${{ env.test }} --repeat ${{ env.runs }} --use-base-schedule --use-whole-schedule-line
-      shell: bash
-    - uses: "./.github/actions/save_logs_and_results"
-      if: always()
-      with:
-          folder: ${{ matrix.id }}