ci: only push on demand images to nginxproxy/nginx-proxy

.github/workflows/build-publish-dispatch.yml

@@ -34,9 +34,7 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: |
-            ghcr.io/nginx-proxy/nginx-proxy
             nginxproxy/nginx-proxy
-            jwilder/nginx-proxy
           tags: |
             type=raw,value=${{ inputs.image_tag }},enable=${{ matrix.base == 'debian' }}
             type=raw,value=${{ inputs.image_tag }},suffix=-alpine,enable=${{ matrix.base == 'alpine' }}