ci: update build-example.yml

Author: hoc081098

.github/workflows/build-example.yml

@@ -53,35 +53,3 @@ jobs:
         with:
           name: app
           path: example/build/app/outputs/apk/release/app-release.apk
-
-  build-old-versions:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        version: [ '2.8.1', '2.10.5' ]
-    defaults:
-      run:
-        working-directory: ./example
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: '11'
-
-      - uses: subosito/[email protected]
-        with:
-          flutter-version: ${{ matrix.version }}
-
-      - name: Print Dart SDK version
-        run: dart --version
-
-      - name: Print Flutter SDK version
-        run: flutter --version
-
-      - name: Install dependencies
-        run: flutter pub get
-
-      - name: Build APK
-        run: flutter build apk --no-shrink