Removing the unnecessary trunk when generating the DB name

[IronPan]

The marketplace app name can never exceed 32 char. Remove the trunk to improve code readability.

/assign @rmgogogo

---

This change is 

[IronPan]

/test kubeflow-pipeline-sample-test

[k8s-ci-robot]

@IronPan: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
kubeflow-pipeline-sample-test	1703c34	link	/test kubeflow-pipeline-sample-test

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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/test-infra repository. I understand the commands that are listed here.

[rmgogogo]

"The marketplace app name can never exceed 32 char. Remove the trunk... "
Didn't understand why you mention app name limitation but here is DB name. Anyway, LGTM

[rmgogogo]

/lgtm

[rmgogogo]

Got it, saw you also remove trunk for release name.

[IronPan]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: IronPan

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [IronPan]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[IronPan]

test failures not related to the change