PMM-7 Remove PG 11 tests

.github/workflows/postgresql-11-pmm.yaml

@@ -1,41 +0,0 @@
-name: postgresql-11-pmm-integration
-on: [push]
-
-jobs:
-  build:
-    name: pg-11-pgsm-pmm-integration-test
-    runs-on: ubuntu-latest
-    timeout-minutes: 30
-    steps:
-      - name: Clone QA Integration repository
-        uses: actions/checkout@v3
-        with:
-          repository: 'Percona-Lab/qa-integration'
-          ref: 'main'
-
-      # print branch and Repo name
-      - name: Get branch and Repo Name
-        run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
-
-      - name: "Set TARGET_BRANCH variable for a PR run"
-        if: github.event_name == 'pull_request'
-        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
-
-      - name: "Set TARGET_BRANCH variable for a PUSH run"
-        if: github.event_name == 'push'
-        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-
-      - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=11 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
-
-      - name: Get PMM-Agent Logs from the Container
-        if: success() || failure()    # run this step even if previous step failed
-        run: docker exec pgsql_pgsm_11 cat pmm-agent.log > ./pmm-ui-tests/tests/output/pmm-agent.log
-
-      - name: Upload Tests Artifacts
-        uses: actions/upload-artifact@v3
-        if: success() || failure()    # run this step even if previous step failed
-        with:
-          name: tests-artifact
-          path: ./pmm-ui-tests/tests/output/
-          if-no-files-found: ignore # 'warn' or 'ignore' are also available, defaults to `warn`