Remove obsolete Flutter setup and release workflows to streamline CI configuration

.github/workflows/flutter_test.yaml

@@ -1,118 +0,0 @@
-name: Flutter Test
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-jobs:
-  test:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-
-      - name: Setup Flutter Environment
-        uses: ./.github/actions/flutter-setup # Path to the composite action directory
-        # Pass inputs if needed (optional, using defaults here)
-        # with:
-        #   flutter-channel: 'stable'
-        #   java-version: '17'
-      # Debug: Echo current directory contents
-      - name: List root directory contents
-        run: |
-          pwd
-          ls -la
-
-      # Debug: Recursive directory structure
-      - name: Show full directory structure
-        run: |
-          echo "Full directory structure:"
-          tree -L 3
-
-      # Debug: Submodule status and details
-      - name: Check submodule status
-        run: |
-          echo "Submodule status:"
-          git submodule status
-
-          echo "\nSubmodule details:"
-          git submodule foreach 'echo $path: && pwd && ls -la'
-
-      # - name: Run static analysis
-      #   run: flutter analyze
-
-      - name: Run tests
-        run: flutter test
-
-  build_android:
-    name: Build Android APKs
-    needs: test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Setup Flutter Environment
-        uses: ./.github/actions/flutter-setup # Path to the composite action directory
-        with:
-          flutter-channel: stable
-          java-version: 17
-
-      - name: Decode android/upload.jks
-        run: echo "${{ secrets.UPLOAD_KEYSTORE_JKS }}" | base64 --decode > android/upload.jks
-
-      - name: Decode android/key.properties
-        run: echo "${{ secrets.KEY_PROPERTIES }}" | base64 --decode > android/key.properties
-
-      - name: Build Universal APK
-        run: flutter build apk --release
-
-      - name: Rename Universal APK
-        run: mv build/app/outputs/flutter-apk/{app-release,app-universal-release}.apk
-      - name: Upload Android APK Artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: release-apk
-          path: build/app/outputs/flutter-apk/*.apk
-  build_linux:
-    needs: test
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-      - name: Setup Flutter Environment
-        uses: ./.github/actions/flutter-setup # Path to the composite action directory
-        with:
-          flutter-channel: stable
-          java-version: 17
-      - name: Install Linux dependencies
-        run: |
-          sudo apt-get update -y
-          sudo apt-get install -y clang cmake ninja-build pkg-config libgtk-3-dev liblzma-dev
-        shell: bash
-      - name: setup fastforge
-        run: |
-          dart pub global activate fastforge
-      - name: Build Linux AppImage
-        run: fastforge package --platform linux --targets deb
-
-      - name: Upload deb Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: build-artifacts
-          path: |
-            dist/*/*.deb