Remove GitHub Packages publishing due to persistent 404 errors

- GitHub Packages publishing consistently failing with 404 errors
- PyPI publishing is working perfectly and is the standard for Python packages
- Users can install from PyPI: pip install dist-gcs-pdf-processing
- Simplified release notes to focus on PyPI installation
- GitHub releases and PyPI publishing continue to work correctly

Author: buddywhitman

.github/workflows/pypi-release.yml

@@ -41,18 +41,9 @@ jobs:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}
 
-      - name: Publish to GitHub Packages
-        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-        run: |
-          python -m pip install --upgrade pip
-          pip install twine
-          # Debug information
-          echo "Repository owner: ${{ github.repository_owner }}"
-          echo "Repository name: ${{ github.event.repository.name }}"
-          echo "Package files:"
-          ls -la dist/
-          # Publish to GitHub Packages
-          twine upload --repository-url https://pypi.pkg.github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}/ dist/* --username ${{ github.actor }} --password ${{ secrets.GITHUB_TOKEN }}
+      # GitHub Packages publishing removed due to 404 errors
+      # PyPI publishing above is working perfectly
+      # Users can install from: pip install dist-gcs-pdf-processing
 
       - name: Create GitHub Release
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
@@ -74,19 +65,12 @@ jobs:
             
             ## 📦 Installation
             
-            **From PyPI (recommended):**
             ```bash
             pip install dist-gcs-pdf-processing==${{ github.ref_name }}
             ```
             
-            **From GitHub Packages:**
-            ```bash
-            pip install dist-gcs-pdf-processing==${{ github.ref_name }} --index-url https://pypi.pkg.github.com/${{ github.repository_owner }}/
-            ```
-            
             ## 🔗 Links
             - PyPI: https://pypi.org/project/dist-gcs-pdf-processing/${{ github.ref_name }}/
-            - GitHub Packages: https://github.com/${{ github.repository_owner }}/dist-gcs-pdf-processing/packages
             - Documentation: See README.md
           files: |
             dist/*.whl