cleanup time format property for garden

[kart2bc]

Please take a moment to review the questions before submitting the PR

🚫 We only accept PRs to develop branch. If this is an exception, please specify why 🚫

WHAT is this change about?

Removing the obsolete logging timestamp format property

What customer problem is being addressed? Use customer persona to define the problem e.g. Alana is unable to...

Alana no need to manage the logging timestamp format property as it is always rfc3339.

Please provide any contextual information.

cloudfoundry/garden-runc-release#377

Has a cf-deployment including this change passed cf-acceptance-tests?

• YES
• NO

Does this PR introduce a breaking change? Please take a moment to read through the examples before answering the question.

• YES - please choose the category from below. Feel free to provide additional details.
• NO

How should this change be described in cf-deployment release notes?

Alana no need to manage the logging timestamp format property as it is always rfc3339.

Does this PR introduce a new BOSH release into the base cf-deployment.yml manifest or any ops-files?

• YES - please specify
• NO

Does this PR make a change to an experimental or GA'd feature/component?

• experimental feature/component
• GA'd feature/component

Please provide Acceptance Criteria for this change?

NA. Just removing the logging timestamp format property

What is the level of urgency for publishing this change?

• Urgent - unblocks current or future work
• Slightly Less than Urgent

Tag your pair, your PM, and/or team!

@cloudfoundry/wg-app-runtime-platform-diego-approvers

[kart2bc]

concourse-ci/base-branch-should-be-develop - though i am pointing to the right branch(develop), it fails.

[oliver-heinrich]

Hi @iaftab-alam, can you review? Looks ok if logging timestamp format property is always rfc3339. Do we have/need tests?

[chombium]

This is the relevant PR in the garden-runc-release release which removes the property in the job spec.

@kart2bc please link the relevant PRs for the corresponding releases next time, so that everyone knows what the change is about.

@oliver-heinrich, @dimivel do we also need an approval from wg-app-runtime-platform-garden-containers-approvers to check this?

[kart2bc]

This is the relevant PR in the garden-runc-release release which removes the property in the job spec.

@kart2bc please link the relevant PRs for the corresponding releases next time, so that everyone knows what the change is about.

@oliver-heinrich, @dimivel do we also need an approval from wg-app-runtime-platform-garden-containers-approvers to check this?

@chombium I had included the PR info at the contextual information section.