chore: remove migrated samples

[grayside]

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:

• [ ] Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• [ ] Ensure the tests and linter pass
• [x] Code coverage does not decrease (if any source code was changed)
• [x] Appropriate docs were updated (if necessary)

[grayside]

Not sure what's required to complete this PR. Going to mark ready for review to request feedback.

[snippet-bot[bot]]

Here is the summary of possible violations 😱

There are 2 possible violations for removing region tag in use.

• samples/createHttpTask.js:33, tag cloud_tasks_create_http_task(usage: page 1).
  • samples/createHttpTaskWithToken.js:33, tag cloud_tasks_create_http_task_with_token(usage: page 1).

The end of the violation section. All the stuff below is FYI purposes only.

---

You are about to delete the following sample browser pages.

- [samples/createHttpTask.js:33](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createHttpTask.js#L33), tag `cloud_tasks_create_http_task`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-create-http-task)). - [samples/createHttpTaskWithToken.js:33](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createHttpTaskWithToken.js#L33), tag `cloud_tasks_create_http_task_with_token`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-create-http-task-with-token)). - [samples/createQueue.js:25](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createQueue.js#L25), tag `cloud_tasks_create_queue`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-create-queue)). - [samples/createTask.js:32](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createTask.js#L32), tag `cloud_tasks_appengine_create_task`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-appengine-create-task)). - [samples/deleteQueue.js:25](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/deleteQueue.js#L25), tag `cloud_tasks_delete_queue`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-delete-queue)). - [samples/listQueues.js:21](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/listQueues.js#L21), tag `cloud_tasks_list_queues`(usage: [page 1](https://cloud.google.com/tasks/docs/samples/cloud-tasks-list-queues)).

---

Here is the summary of changes.

You are about to delete 6 region tags.

- [samples/createHttpTask.js:33](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createHttpTask.js#L33), tag `cloud_tasks_create_http_task` - [samples/createHttpTaskWithToken.js:33](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createHttpTaskWithToken.js#L33), tag `cloud_tasks_create_http_task_with_token` - [samples/createQueue.js:25](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createQueue.js#L25), tag `cloud_tasks_create_queue` - [samples/createTask.js:32](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/createTask.js#L32), tag `cloud_tasks_appengine_create_task` - [samples/deleteQueue.js:25](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/deleteQueue.js#L25), tag `cloud_tasks_delete_queue` - [samples/listQueues.js:21](https://github.com/googleapis/nodejs-tasks/blob/6aa159cc16c873334216017e28ef717ddfa48081/samples/listQueues.js#L21), tag `cloud_tasks_list_queues`

---

This comment is generated by snippet-bot. If you find problems with this result, please file an issue at: https://github.com/googleapis/repo-automation-bots/issues. To update this comment, add snippet-bot:force-run label or use the checkbox below:

• [ ] Refresh this comment