Revert "Merge pull request #42 from toeverything/feat/sub-page"

This reverts commit cf6491fb0c, reversing
changes made to e12deb302f.

libs/datasource/feature-flags/README.md

@@ -2,15 +2,7 @@
 
 ## Usage
 
--   Set token at environment variable
-    -   The key can be obtained from the [Feature Flag Portal](https://portal.featureflag.co/account-settings/projects)
-
-```shell
-# .env.local
-AFFINE_FEATURE_FLAG_TOKEN=XXXXXXX
-```
-
--   Set provider
+-   set provider
 
 ```tsx
 import { FeatureFlagsProvider } from '@toeverything/datasource/feature-flags';
@@ -50,8 +42,7 @@ const App = () => {
 
 **When entering development mode feature flag will NOT be updated in real time**
 
--   `activateFfcDevMode(PASSWORD)` play with feature flags locally
-    -   The `devModePassword` can be obtained from `src/config.ts`
+-   `activateFfcDevMode()` play with feature flags locally
 -   `quitFfcDevMode()` quit dev mode
 
 ## Running unit tests