Remove old gcb-docker-gcloud image push job.

[michelle192837]

There are still jobs referencing the old image source (gcr.io/k8s-testimages/gcb-docker-gcloud, instead of gcr.io/k8s-staging-test-infra/gcb-docker-gcloud), but since the old location is still available that should be okay. There are no test-infra, documentation, or autobumped references left to the old image, so stop publishing it and let other jobs switch over to the new image source if they need to.

Current uses of the old image: https://cs.k8s.io/?q=gcr.io%2Fk8s-testimages%2Fgcb-docker-gcloud&i=nope&files=&excludeFiles=&repos=

Ref #32432

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: michelle192837

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[ameukam]

/lgtm

[k8s-ci-robot]

PR needs rebase.

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[michelle192837]

Okay one moment, that's too many changed lines :/

/hold

[michelle192837]

/hold cancel

Sorry about that, local formatting was too aggressive. Fixed it, but this'll need approval again :(

[ameukam]

/lgtm

[k8s-ci-robot]

@michelle192837: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key test-infra-trusted.yaml using file config/jobs/kubernetes/test-infra/test-infra-trusted.yaml

In response to this:

There are still jobs referencing the old image source (gcr.io/k8s-testimages/gcb-docker-gcloud, instead of gcr.io/k8s-staging-test-infra/gcb-docker-gcloud), but since the old location is still available that should be okay. There are no test-infra, documentation, or autobumped references left to the old image, so stop publishing it and let other jobs switch over to the new image source if they need to.

Current uses of the old image: https://cs.k8s.io/?q=gcr.io%2Fk8s-testimages%2Fgcb-docker-gcloud&i=nope&files=&excludeFiles=&repos=

Ref #32432

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.