Revert to base for re-commit with signoff

Signed-off-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Co-authored-by: ti-chi-bot <71242396+ti-chi-bot@users.noreply.github.com>

Author: Copilot

.github/workflows/ci-cdc.yml

@@ -50,17 +50,3 @@ jobs:
         run: |
           cd cdc/
           make cdc
-  cdc-unit-test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2
-        with:
-          go-version: '${{ env.GO_VERSION }}'
-      - name: make unit_test_in_verify_ci
-        shell: bash
-        env:
-          TIKV_MIGRATION_CODECOV_TOKEN: ${{ secrets.TIKV_MIGRATION_CODECOV_TOKEN }}
-        run: |
-          cd cdc/
-          make unit_test_in_verify_ci