github: Remove build-scan-container-bootnode job

The underlying command has been removed upstream:
53f66c1

.github/workflows/docker-build-scan.yaml

@@ -34,28 +34,3 @@ jobs:
           dockerfile: Dockerfile
           push: true
           trivy: ${{ startsWith(github.ref, 'refs/heads/celo') }}
-
-  build-scan-container-bootnode:
-    runs-on: ['self-hosted', 'org', '8-cpu']
-    permissions:
-      contents: read
-      security-events: write
-      id-token: write
-    steps:
-      - uses: actions/checkout@v4
-      - name: Login at GCP Artifact Registry
-        uses: celo-org/reusable-workflows/.github/actions/[email protected]
-        with:
-          workload-id-provider: projects/1094498259535/locations/global/workloadIdentityPools/gh-op-geth/providers/github-by-repos
-          service-account: [email protected]
-          docker-gcp-registries: us-west1-docker.pkg.dev
-      - name: Build and push container
-        uses: celo-org/reusable-workflows/.github/actions/[email protected]
-        with:
-          platforms: ${{ startsWith(github.ref, 'refs/heads/celo') && 'linux/amd64,linux/arm64' || 'linux/amd64' }}
-          registry: us-west1-docker.pkg.dev/blockchaintestsglobaltestnet/dev-images/op-geth-bootnode
-          tags: ${{ github.sha }}
-          context: .
-          dockerfile: Dockerfile.bootnode
-          push: true
-          trivy: ${{ startsWith(github.ref, 'refs/heads/celo') }}