ci: 移除不再需要的Flutter安装脚本并修正CI文件格式

移除install_flutter.bat脚本，因为Flutter安装已不再需要
修正docker.yml文件中的换行符问题

.gitea/workflows/docker.yml

@@ -190,8 +190,7 @@ jobs:
 
     - name: Setup Flutter
       uses: subosito/flutter-action@v2
-      with:
-        channel: 'stable'
+
 
     - name: Enable Windows desktop
       run: flutter config --enable-windows-desktop
@@ -219,126 +218,3 @@ jobs:
       with:
         name: windows-release-build
         path: build/windows/runner/Release/
-
-  # 本地（act）验证作业：只验证 Git PATH 与 checkout/submodules
-  build-act-windows:
-    name: ACT Windows Checkout Verification
-    if: ${{ env.ACT == 'true' }}
-    runs-on: windows-latest
-    steps:
-    - name: Add Git to PATH (Windows)
-      shell: powershell
-      run: |
-        $paths = @(
-          'C:\Program Files\Git\cmd',
-          'C:\Program Files\Git\bin',
-          'C:\Program Files (x86)\Git\cmd',
-          'C:\Program Files (x86)\Git\bin'
-        )
-        foreach ($p in $paths) {
-          if (Test-Path $p) {
-            Add-Content -Path $env:GITHUB_PATH -Value $p
-            $env:PATH = "$p;$env:PATH"
-            Write-Host ("Added to PATH: {0}" -f $p)
-          }
-        }
-        $candidates = @(
-          'C:\Program Files\Git\cmd\git.exe',
-          'C:\Program Files\Git\bin\git.exe',
-          'C:\Program Files (x86)\Git\cmd\git.exe',
-          'C:\Program Files (x86)\Git\bin\git.exe'
-        )
-        $found = $false
-        foreach ($g in $candidates) {
-          if (Test-Path $g) {
-            & $g --version
-            $found = $true
-            break
-          }
-        }
-        if (-not $found) {
-          Write-Host "Git executable not found in common locations; continuing."
-        }
-
-    - name: Checkout
-      uses: actions/checkout@v4
-      with:
-        submodules: recursive
-        fetch-depth: 0
-        persist-credentials: false
-        # 仅用于本地 act 验证：目录级稀疏检出，避免包含 Windows 非法文件
-        sparse-checkout: |
-          .github
-          lib
-          libcore
-          android
-          ios
-          windows
-          assets/core
-          assets/fonts
-          assets/translations
-        sparse-checkout-cone: true
-    - name: Setup Flutter
-      uses: subosito/flutter-action@v2
-      with:
-        flutter-version: '3.35.5'
-        channel: 'stable'
-    - name: Enable Windows desktop
-      run: flutter config --enable-windows-desktop
-      
-    - name: 🔍 Verify jq Installation (ACT)
-      shell: powershell
-      run: |
-        # Check if jq is available
-        $jqFound = $false
-        try {
-          $version = jq --version 2>&1
-          if ($version -match 'jq-[\d\.]+') {
-            Write-Host "jq is already installed: $version"
-            $jqFound = $true
-          }
-        } catch {
-          Write-Host "jq not installed or not in PATH"
-        }
-        if (-not $jqFound) {
-          Write-Host "Preparing to install jq..."
-          # Check if Chocolatey is available
-          $chocoFound = $false
-          try {
-            choco --version 2>&1 | Out-Null
-            $chocoFound = $true
-          } catch {}
-          if (-not $chocoFound) {
-            Write-Host "Installing Chocolatey..."
-            Set-ExecutionPolicy Bypass -Scope Process -Force
-            [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072
-            iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
-            # Refresh PATH
-            $env:PATH = [System.Environment]::GetEnvironmentVariable('PATH', 'Machine') + ';' + [System.Environment]::GetEnvironmentVariable('PATH', 'User')
-            Write-Host "Chocolatey installed successfully"
-          }
-          Write-Host "Installing jq using Chocolatey..."
-          choco install jq -y
-          if ($LASTEXITCODE -eq 0) {
-            Write-Host "jq installed successfully"
-            # Verify again
-            $version = jq --version 2>&1
-            Write-Host "jq version: $version"
-          } else {
-            Write-Host "jq installation failed, exit code: $LASTEXITCODE"
-            exit 1
-          }
-        }
-
-    - name: Verify submodules
-      shell: powershell
-      continue-on-error: true
-      run: |
-        git --version
-        git submodule status
-        Write-Host "Submodules verified (status printed above)."
-
-    - name: Summary
-      shell: powershell
-      run: |
-        Write-Host "ACT Windows verification completed successfully."