update flutter builder

.gitea/workflows/frontend_build-android.yaml

@@ -18,15 +18,11 @@ jobs:
 
     - uses: https://gitea.com/actions/checkout@v4
 
-
     - uses: https://github.com/actions/setup-java@v4
       with:
         java-version: '17'
         distribution: 'zulu'
 
-    - name: Fix flutter SDK folder permission
-      run: git config --global --add safe.directory /opt/hostedtoolcache/flutter/--
-
     - uses: https://github.com/subosito/flutter-action@v2
       with:
         channel: stable