Revert the promotion of Port Mapping NEGs from GA to Beta

[Cheriit]

Revert the PR #11771

Release Note Template for Downstream PRs (will be copied)

compute: promoted `client_destination_port` and `instance` fields in `google_compute_region_network_endpoint` resource to GA (revert)

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run.

@melinath, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 6 files changed, 13 insertions(+), 221 deletions(-))
google-beta provider: Diff ( 5 files changed, 22 insertions(+), 5 deletions(-))

Breaking Change(s) Detected

The following breaking change(s) were detected within your pull request.

• Field client_destination_port within resource google_compute_region_network_endpoint was either removed or renamed - reference
• Field instance within resource google_compute_region_network_endpoint was either removed or renamed - reference

If you believe this detection to be incorrect please raise the concern with your reviewer.
If you intend to make this change you will need to wait for a major release window.
An override-breaking-change label can be added to allow merging.

[modular-magician]

Tests analytics

Total tests: 1017
Passed tests: 943
Skipped tests: 74
Affected tests: 0

Click here to see the affected service packages

• compute

$\textcolor{green}{\textsf{All tests passed!}}$

View the build log