🔥 Remove Celery and Flower, they are currently not used nor recommended (#694)

backend/app/tests/scripts/test_celery_pre_start.py

@@ -1,33 +0,0 @@
-from unittest.mock import MagicMock
-
-from pytest_mock import MockerFixture
-from sqlmodel import select
-
-from app.celeryworker_pre_start import init, logger
-
-
-def test_init_successful_connection(mocker: MockerFixture) -> None:
-    engine_mock = MagicMock()
-
-    session_mock = MagicMock()
-    exec_mock = MagicMock(return_value=True)
-    session_mock.configure_mock(**{"exec.return_value": exec_mock})
-    mocker.patch("sqlmodel.Session", return_value=session_mock)
-
-    mocker.patch.object(logger, "info")
-    mocker.patch.object(logger, "error")
-    mocker.patch.object(logger, "warn")
-
-    try:
-        init(engine_mock)
-        connection_successful = True
-    except Exception:
-        connection_successful = False
-
-    assert (
-        connection_successful
-    ), "The database connection should be successful and not raise an exception."
-
-    assert session_mock.exec.called_once_with(
-        select(1)
-    ), "The session should execute a select statement once."