Disable signing on preview builds

.github/workflows/build.yml

@@ -66,16 +66,8 @@ jobs:
           architecture: ${{ matrix.arch }}
       - name: Setup Ant
         uses: cedx/setup-ant@v3
-      - name: Install Certificates for Code Signing
-        if: ${{ matrix.os_prefix == 'macos' && startsWith(github.repository, 'processing/') }}
-        uses: apple-actions/import-codesign-certs@v3
-        with:
-          p12-file-base64: ${{ secrets.CERTIFICATES_P12 }}
-          p12-password: ${{ secrets.CERTIFICATES_P12_PASSWORD }}
       - name: Build Release
         run: ant -noinput -buildfile build/build.xml ${{ matrix.os_prefix }}-dist -Dversion="${{ github.sha }}"
-        env:
-          PROCESSING_APP_SIGNING: ${{ startsWith(github.repository, 'processing/') }}
       - name: Add artifact
         uses: actions/upload-artifact@v4
         with: