Build: remove "addons enabled by default" notification (#11651)

<!-- readthedocs-preview docs start -->
---
:books: Documentation previews :books:

- User's documentation (`docs`):
https://docs--11651.org.readthedocs.build/en/11651/

<!-- readthedocs-preview docs end -->

<!-- readthedocs-preview dev start -->
- Developer's documentation (`dev`):
https://dev--11651.org.readthedocs.build/en/11651/

<!-- readthedocs-preview dev end -->

readthedocs/projects/tasks/builds.py

@@ -56,7 +56,6 @@
     MkDocsYAMLParseError,
 )
 from readthedocs.projects.models import Feature
-from readthedocs.projects.notifications import MESSAGE_PROJECT_ADDONS_BY_DEFAULT
 from readthedocs.storage import build_media_storage
 from readthedocs.telemetry.collectors import BuildDataCollector
 from readthedocs.telemetry.tasks import save_build_data
@@ -820,12 +819,6 @@ def execute(self):
                     self.update_build(state=BUILD_STATE_BUILDING)
                     self.data.build_director.run_build_commands()
                 else:
-                    # Temporal notification while we migrate to addons enabled by default.
-                    if self.data.build_director.is_type_sphinx():
-                        self.data.build_director.attach_notification(
-                            MESSAGE_PROJECT_ADDONS_BY_DEFAULT
-                        )
-
                     # Installing
                     self.update_build(state=BUILD_STATE_INSTALLING)
                     self.data.build_director.setup_environment()

readthedocs/projects/tests/test_build_tasks.py

@@ -535,11 +535,8 @@ def test_successful_build(
             "builder": mock.ANY,
         }
 
-        # NOTE: `request_history[5]` is a temporal notification that will be removed after October 7th
-        # https://github.com/readthedocs/readthedocs.org/pull/11514
-
         # Update build state: installing
-        assert self.requests_mock.request_history[6].json() == {
+        assert self.requests_mock.request_history[5].json() == {
             "id": 1,
             "state": "installing",
             "commit": "a1b2c3",
@@ -602,7 +599,7 @@ def test_successful_build(
             },
         }
         # Update build state: building
-        assert self.requests_mock.request_history[7].json() == {
+        assert self.requests_mock.request_history[6].json() == {
             "id": 1,
             "state": "building",
             "commit": "a1b2c3",
@@ -612,7 +609,7 @@ def test_successful_build(
             "error": "",
         }
         # Update build state: uploading
-        assert self.requests_mock.request_history[8].json() == {
+        assert self.requests_mock.request_history[7].json() == {
             "id": 1,
             "state": "uploading",
             "commit": "a1b2c3",
@@ -622,9 +619,9 @@ def test_successful_build(
             "error": "",
         }
         # Update version state
-        assert self.requests_mock.request_history[9]._request.method == "PATCH"
-        assert self.requests_mock.request_history[9].path == "/api/v2/version/1/"
-        assert self.requests_mock.request_history[9].json() == {
+        assert self.requests_mock.request_history[8]._request.method == "PATCH"
+        assert self.requests_mock.request_history[8].path == "/api/v2/version/1/"
+        assert self.requests_mock.request_history[8].json() == {
             "addons": False,
             "build_data": None,
             "built": True,
@@ -634,13 +631,11 @@ def test_successful_build(
             "has_htmlzip": True,
         }
         # Set project has valid clone
-        assert self.requests_mock.request_history[10]._request.method == "PATCH"
-        assert self.requests_mock.request_history[10].path == "/api/v2/project/1/"
-        assert self.requests_mock.request_history[10].json() == {
-            "has_valid_clone": True
-        }
+        assert self.requests_mock.request_history[9]._request.method == "PATCH"
+        assert self.requests_mock.request_history[9].path == "/api/v2/project/1/"
+        assert self.requests_mock.request_history[9].json() == {"has_valid_clone": True}
         # Update build state: finished, success and builder
-        assert self.requests_mock.request_history[11].json() == {
+        assert self.requests_mock.request_history[10].json() == {
             "id": 1,
             "state": "finished",
             "commit": "a1b2c3",
@@ -652,8 +647,8 @@ def test_successful_build(
             "error": "",
         }
 
-        assert self.requests_mock.request_history[12]._request.method == "POST"
-        assert self.requests_mock.request_history[12].path == "/api/v2/revoke/"
+        assert self.requests_mock.request_history[11]._request.method == "POST"
+        assert self.requests_mock.request_history[11].path == "/api/v2/revoke/"
 
         assert BuildData.objects.all().exists()