feat(opencensus)!: remove OpenCensus samples

[aabmass]

Description

Deletes the sample under opencensus/ and monitoring/opencensus directories, since OpenCensus is no longer recommended. We have removed use of these snippets from Cloud Monitoring/Trace/Logging docs.

Deleted region tags are not in use in any markdown file in the devsite docs (checked codesearch)

Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new sample directory, and I created GitHub Actions workflow for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

[code-review-assist-experimental]

Hi @aabmass and reviewers,

I'm currently reviewing this pull request and will post my detailed review in a few minutes. In the meantime, here's a quick summary to help everyone get up to speed:

This pull request removes the OpenCensus samples from the nodejs-docs-samples repository. OpenCensus is no longer recommended, and these samples have been removed from the relevant Cloud Monitoring/Trace/Logging documentation. The changes involve deleting the entire opencensus directory and related files under monitoring/opencensus, as well as updating the CODEOWNERS file to reflect the removal. The intent is to clean up the repository and remove outdated, unsupported samples.

If there's any missing context, please let me know. I'll add it to my full review.

Now for a little fun:

Code's a dance, a graceful sway,
Through lines and loops, it finds its way.
With tests and checks, a careful hand,
To build a world, both strong and grand.

Looking forward to the discussion!

[snippet-bot]

Here is the summary of changes.

You are about to delete 14 region tags.

• monitoring/opencensus/app.js:19, tag monitoring_sli_metrics_opencensus_setup
• monitoring/opencensus/app.js:24, tag monitoring_sli_metrics_opencensus_exporter
• monitoring/opencensus/app.js:30, tag monitoring_sli_metrics_opencensus_measure
• monitoring/opencensus/app.js:37, tag monitoring_sli_metrics_opencensus_view
• monitoring/opencensus/app.js:45, tag monitoring_sli_metrics_opencensus_measure
• monitoring/opencensus/app.js:52, tag monitoring_sli_metrics_opencensus_view
• monitoring/opencensus/app.js:60, tag monitoring_sli_metrics_opencensus_measure
• monitoring/opencensus/app.js:67, tag monitoring_sli_metrics_opencensus_view
• monitoring/opencensus/app.js:93, tag monitoring_sli_metrics_opencensus_exporter
• monitoring/opencensus/app.js:105, tag monitoring_sli_metrics_opencensus_counts
• monitoring/opencensus/app.js:140, tag monitoring_sli_metrics_opencensus_latency
• opencensus/metrics-quickstart.js:15, tag monitoring_opencensus_metrics_quickstart
• opencensus/metrics-quickstart.js:18, tag monitoring_opencensus_metrics_dependencies
• opencensus/metrics-quickstart.js:46, tag setup_exporter

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[code-review-assist-experimental]

Hi @aabmass and reviewers,

I'm currently reviewing this pull request and will post my detailed review in a few minutes. In the meantime, here's a quick summary to help everyone get up to speed:

This pull request removes all OpenCensus samples from the nodejs-docs-samples repository. The intent, as stated in the PR description, is to remove these samples because OpenCensus is no longer recommended. The changes involve deleting the entire opencensus/ directory and the monitoring/opencensus directory, along with related entries in the workflow files and CODEOWNERS. The PR author has confirmed that no other markdown files in the devsite docs use the deleted region tags.

Specifically, the following files were modified:

• .github/workflows/monitoring-opencensus.yaml: This workflow file was completely removed.
• .github/workflows/opencensus.yaml: This workflow file was completely removed.
• .github/workflows/utils/workflows.json: The monitoring/opencensus and opencensus entries were removed from the list of sample directories.
• CODEOWNERS: The code ownership for monitoring/opencensus was removed.
• monitoring/opencensus/README.md: This README file was completely removed.
• monitoring/opencensus/app.js: This application file was completely removed.
• monitoring/opencensus/package.json: This package file was completely removed.
• monitoring/opencensus/system-test/app.test.js: This test file was completely removed.
• opencensus/README.md: This README file was completely removed.
• opencensus/metrics-quickstart.js: This application file was completely removed.
• opencensus/package.json: This package file was completely removed.
• opencensus/system-test/metrics-quickstart.test.js: This test file was completely removed.

All changes appear to be consistent with the stated goal of removing the deprecated OpenCensus samples. I'll provide a more thorough review shortly.

And now, a little haiku to lighten the mood:

Old code departs now,
New paths for progress unfold,
Clean slate, fresh start shines.

[aabmass]

@iennae there is one more PR for Python if you're already taking a look :) GoogleCloudPlatform/python-docs-samples#12814