Chore: Remove more stuff from the e2e object (#75513)

* cut down the e2e object more :)

* undo changes in grafana-e2e

* couple more things to undo in grafana-e2e

e2e/utils/support/url.ts

@@ -1,6 +1,6 @@
 import { e2e } from '../index';
 
-const getBaseUrl = () => e2e.env('BASE_URL') || e2e.config().baseUrl || 'http://localhost:3000';
+const getBaseUrl = () => Cypress.env('BASE_URL') || Cypress.config().baseUrl || 'http://localhost:3000';
 
 export const fromBaseUrl = (url = '') => new URL(url, getBaseUrl()).href;