Clean up siteForm from legacy

src/components/app.tsx

@@ -5,16 +5,16 @@ import {
 import { useEffect } from 'react';
 import MacTitlebar from 'src/components/mac-titlebar';
 import MainSidebar from 'src/components/main-sidebar';
-import Onboarding from 'src/components/onboarding';
 import { SiteContentTabs } from 'src/components/site-content-tabs';
 import TopBar from 'src/components/top-bar';
 import WindowsTitlebar from 'src/components/windows-titlebar';
 import { useLocalizationSupport } from 'src/hooks/use-localization-support';
-import { useOnboarding } from 'src/hooks/use-onboarding';
 import { useSidebarVisibility } from 'src/hooks/use-sidebar-visibility';
 import { isWindows } from 'src/lib/app-globals';
 import { cx } from 'src/lib/cx';
 import { getIpcApi } from 'src/lib/get-ipc-api';
+import { Onboarding } from 'src/modules/onboarding';
+import { useOnboarding } from 'src/modules/onboarding/hooks/use-onboarding';
 import { UserSettings } from 'src/modules/user-settings';
 import { WhatsNewModal, useWhatsNew } from 'src/modules/whats-new';
 import 'src/index.css';

src/components/root.tsx

@@ -13,9 +13,9 @@ import { SyncSitesProvider } from 'src/hooks/sync-sites/sync-sites-context';
 import { ContentTabsProvider } from 'src/hooks/use-content-tabs';
 import { FeatureFlagsProvider } from 'src/hooks/use-feature-flags';
 import { ImportExportProvider } from 'src/hooks/use-import-export';
-import { OnboardingProvider } from 'src/hooks/use-onboarding';
 import { SiteDetailsProvider } from 'src/hooks/use-site-details';
 import { ThemeDetailsProvider } from 'src/hooks/use-theme-details';
+import { OnboardingProvider } from 'src/modules/onboarding/hooks/use-onboarding';
 import { store } from 'src/stores';
 import { initializeUserLocale } from 'src/stores/i18n-slice';
 

src/components/tests/onboarding.test.tsx

@@ -3,13 +3,13 @@ import { jest } from '@jest/globals';
 import { render, waitFor, screen } from '@testing-library/react';
 import { userEvent } from '@testing-library/user-event';
 import { Provider } from 'react-redux';
-import Onboarding from 'src/components/onboarding';
 import { useAddSite } from 'src/hooks/use-add-site';
 import { useOffline } from 'src/hooks/use-offline';
-import { useOnboarding } from 'src/hooks/use-onboarding';
 import { FolderDialogResponse } from 'src/ipc-handlers';
 import { createTestStore } from 'src/lib/test-utils';
 import { getWordPressProvider } from 'src/lib/wordpress-provider';
+import { Onboarding } from 'src/modules/onboarding';
+import { useOnboarding } from 'src/modules/onboarding/hooks/use-onboarding';
 import { useGetWordPressVersions } from 'src/stores/wordpress-versions-api';
 
 jest.mock( 'src/hooks/use-onboarding', () => ( {