Remove unnecessary steps (#1382)

.github/workflows/python-distributions.yml

@@ -20,12 +20,6 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           cache: pip
-      - name: Install native dependencies (Ubuntu)
-        run: sudo apt-get update && sudo apt-get install -y libgpgme-dev libgpg-error-dev
-        if: "matrix.os == 'ubuntu-latest'"
-      - name: Install native dependencies (MacOS)
-        run: brew install swig gpgme
-        if: "matrix.os == 'macos-latest'"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip