Removes queue yaml from the codebase (oppia#22157)

* Removes queue yaml from the codebase

* Adds code comment

Author: Nik-09

.github/CODEOWNERS

@@ -264,7 +264,6 @@
 /app_dev.yaml @oppia/release-workflow-reviewers
 /cron.yaml @oppia/release-workflow-reviewers
 /index.yaml @oppia/release-workflow-reviewers
-/queue.yaml @oppia/release-workflow-reviewers
 
 
 # Global components and filters.

core/domain/taskqueue_services.py

@@ -32,8 +32,8 @@
 
 platform_taskqueue_services = models.Registry.import_taskqueue_services()
 
-
-# NOTE: The following constants should match the queue names in queue.yaml.
+# NOTE: The following constants should match the queue names on the
+# Cloud Tasks UI.
 # Taskqueue for backing up state.
 QUEUE_NAME_BACKUPS: Final = 'backups'
 # Default queue for processing tasks (including MapReduce ones).

core/domain/taskqueue_services_test.py

@@ -21,7 +21,6 @@
 import datetime
 
 from core import feconf
-from core import utils
 from core.domain import taskqueue_services
 from core.platform import models
 from core.tests import test_utils
@@ -132,28 +131,3 @@ def mock_create_http_task(
         with swap_create_http_task:
             taskqueue_services.enqueue_task(
                 correct_url, correct_payload, 0)
-
-    def test_that_queue_names_are_in_sync_with_queue_yaml_file(self) -> None:
-        """Checks that all of the queues that are instantiated in the queue.yaml
-        file has a corresponding QUEUE_NAME_* constant instantiated in
-        taskqueue_services.
-        """
-        queue_name_dict = {}
-        # Parse the queue.yaml file for the correct queue names.
-        with utils.open_file('queue.yaml', 'r') as f:
-            lines = f.readlines()
-            for line in lines:
-                if 'name' in line:
-                    queue_name = line.split(':')[1]
-                    queue_name_dict[queue_name.strip()] = False
-
-        # Get all attributes of taskqueue_services using the dir function.
-        attributes = dir(taskqueue_services)
-        # Check if the queue names in the queue.yaml file exist as a queue
-        # name in taskqueue_services.
-        for attribute in attributes:
-            if attribute.startswith('QUEUE_NAME_'):
-                queue_name_dict[getattr(taskqueue_services, attribute)] = True
-
-        for queue_name, in_taskqueue_services in queue_name_dict.items():
-            self.assertTrue(in_taskqueue_services)