feat(identity): align auth flow with reference theme

assets/admin/src/api/modules/users.js

@@ -17,14 +17,6 @@ export const usersApiMethods = {
   deleteNotification(id) { return this.request(`/notifications/${id}`, { method: 'DELETE' }) },
   runNotificationCleanup() { return this.request('/notifications/cleanup', { method: 'POST', body: JSON.stringify({}) }) },
 
-  getIdentitySettings() { return this.request('/identity/settings') },
-  saveIdentitySettings(data) {
-    return this.request('/identity/settings', { method: 'POST', body: JSON.stringify(data) })
-  },
-  testIdentitySettings(data = {}) {
-    return this.request('/identity/settings/test', { method: 'POST', body: JSON.stringify(data) })
-  },
-
 	getCreditSettings() { return this.request('/assets/settings') },
 	saveCreditSettings(data) { return this.request('/assets/settings', { method: 'POST', body: JSON.stringify(data) }) },
   listCreditUsers(params = {}) {