Chore: remove scenario wrapping in cypress tests (#74674)

* remove scenario wrapping in cypress tests

* remove more hardcoded logins

* don't forget the various suite!

* make sure we log in for every test

* fix afterAll revert

* stability

e2e/utils/support/scenarioContext.ts

@@ -1,6 +1,5 @@
 import { DeleteDashboardConfig } from '../flows/deleteDashboard';
 import { DeleteDataSourceConfig } from '../flows/deleteDataSource';
-import { e2e } from '../index';
 
 export interface ScenarioContext {
   addedDashboards: DeleteDashboardConfig[];