Simplify README.md docs

Author: socheatsok78

README.md

@@ -58,49 +58,6 @@ jobs:
         run: flutter test
 ```
 
-Working with Android project:
-
-```yml
-name: Flutter for Android
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          java-version: 21
-          distribution: 'temurin'
-
-      - name: Setup Android SDK
-        uses: android-actions/setup-android@v3
-
-      - name: Setup Flutter SDK
-        uses: flutter-actions/setup-flutter@v3
-        with:
-          channel: stable
-          version: 3.0.2
-
-      - name: Install dependencies
-        run: flutter pub get
-
-      - name: Analyze project source
-        run: dart analyze
-
-      - name: Run tests
-        run: flutter test
-```
-
 ## Automated publishing of packages to pub.dev
 
 You can automate publishing from GitHub Actions by using the [flutter-actions/setup-pubdev-credentials](https://github.com/flutter-actions/setup-pubdev-credentials) action.