Remove user for image size in metrics.yaml

[vyzigold]

We don't have the user information for ceilometer_image_size metrics.

See: https://opendev.org/openstack/ceilometer/src/branch/master/ceilometer/image/glance.py#L57

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/13750977a2ed47ccbe8ac561a1d5a54e

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 52m 48s
✔️ telemetry-operator-multinode-cloudkitty SUCCESS in 1h 20m 02s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 1h 55m 52s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 28m 22s
❌ functional-tests-osp18 FAILURE in 1h 30m 26s

[vyzigold]

recheck

[jlarriba]

/lgtm

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/da29949899ec4783b9f99580ebc0f94d

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 44m 48s
❌ telemetry-operator-multinode-cloudkitty FAILURE in 1h 05m 52s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 2h 09m 12s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 25m 45s
❌ functional-tests-osp18 FAILURE in 1h 49m 58s

[vyzigold]

recheck

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/7dfa29221a714f1cb9bd17bb3155e6a9

✔️ openstack-k8s-operators-content-provider SUCCESS in 1h 44m 28s
❌ telemetry-operator-multinode-cloudkitty FAILURE in 1h 07m 19s
✔️ telemetry-openstack-meta-content-provider-master SUCCESS in 2h 05m 51s
✔️ telemetry-operator-multinode-default-telemetry SUCCESS in 1h 27m 40s
❌ functional-tests-osp18 FAILURE in 1h 48m 37s

[vyzigold]

recheck

[openshift-ci]

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