remove image before run

Author: lystopad

.github/workflows/testing-release-self-hosted-runner.yml

@@ -119,6 +119,7 @@ jobs:
       - name: Build for linux/arm64
         #if: 3 > 5
         run: >
+          docker rmi ${{ env.BUILDER_IMAGE }} || true
           docker run --platform linux/arm64
           --rm
           -v $(pwd)/erigon:/erigon:ro