remove package build/test build steps (#498)

.github/workflows/nightly.yml

@@ -66,85 +66,3 @@ jobs:
         with:
           name: unit_results_${{ matrix.python-version }}-${{ steps.date.outputs.date }}.csv
           path: unit_results.csv
-
-  build:
-    name: build packages
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Check out the repository
-        uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - name: Install python dependencies
-        run: |
-          pip install --upgrade setuptools wheel twine check-wheel-contents
-          pip --version
-      - name: Build distributions
-        run: ./scripts/build-dist.sh
-
-      - name: Show distributions
-        run: ls -lh dist/
-
-      - name: Check distribution descriptions
-        run: |
-          twine check dist/*
-      - name: Check wheel contents
-        run: |
-          check-wheel-contents dist/*.whl --ignore W002,W007,W008
-
-      - uses: actions/upload-artifact@v3
-        with:
-          name: dist
-          path: dist/
-
-  test-build:
-    name: verify packages / python ${{ matrix.python-version }} / ${{ matrix.os }}
-
-    needs: build
-
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-
-    steps:
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Install python dependencies
-        run: |
-          pip install --upgrade wheel
-          pip --version
-      - uses: actions/download-artifact@v3
-        with:
-          name: dist
-          path: dist/
-
-      - name: Show distributions
-        run: ls -lh dist/
-
-      - name: Install wheel distributions
-        run: |
-          find ./dist/*.whl -maxdepth 1 -type f | xargs pip install --force-reinstall --find-links=dist/
-      - name: Check wheel distributions
-        run: |
-          dbt --version
-      - name: Install source distributions
-        run: |
-          find ./dist/*.gz -maxdepth 1 -type f | xargs pip install --force-reinstall --find-links=dist/
-      - name: Check source distributions
-        run: |
-          dbt --version