Cleanup reference to removed grafana docker image (#13672)
### Motivation
In #13389, I removed the `apachepulsar/pulsar-grafana` docker image. I missed a reference in our publish scripts. Cleaning that up in this PR.
### Verifying this change
Trivial change.
### Does this pull request potentially affect one of the following parts:
No.
### Documentation
- [x] `no-need-doc`
This is an internal change to a script.
diff --git a/docker/publish.sh b/docker/publish.sh
index 1df2dd7..af0d72d 100755
--- a/docker/publish.sh
+++ b/docker/publish.sh
@@ -64,18 +64,14 @@
docker tag pulsar:latest ${docker_registry_org}/pulsar:latest
docker tag pulsar-all:latest ${docker_registry_org}/pulsar-all:latest
-docker tag pulsar-grafana:latest ${docker_registry_org}/pulsar-grafana:latest
docker tag pulsar:latest ${docker_registry_org}/pulsar:$MVN_VERSION
docker tag pulsar-all:latest ${docker_registry_org}/pulsar-all:$MVN_VERSION
-docker tag pulsar-grafana:latest ${docker_registry_org}/pulsar-grafana:$MVN_VERSION
# Push all images and tags
docker push ${docker_registry_org}/pulsar:latest
docker push ${docker_registry_org}/pulsar-all:latest
-docker push ${docker_registry_org}/pulsar-grafana:latest
docker push ${docker_registry_org}/pulsar:$MVN_VERSION
docker push ${docker_registry_org}/pulsar-all:$MVN_VERSION
-docker push ${docker_registry_org}/pulsar-grafana:$MVN_VERSION
echo "Finished pushing images to ${docker_registry_org}"