remove browser references from it blocks

tests/end-to-end/ui/03-user-creation.js

tests/end-to-end/ui/06-messaging.js

tests/end-to-end/ui/08-resolutions.js

tests/end-to-end/ui/11-admin.js

tests/end-to-end/ui/12-settings.js

tests/end-to-end/ui/13-permissions.js

tests/pageobjects/Page.js

tests/pageobjects/administration.page.js

tests/pageobjects/login.page.js

tests/pageobjects/main-content.page.js