ci: 将jq安装步骤移至copy_libcore.bat脚本中

将jq的安装从docker.yml工作流文件移至copy_libcore.bat脚本中，以简化CI配置并集中管理依赖安装

.gitea/workflows/docker.yml

@@ -131,18 +131,6 @@ jobs:
       shell: cmd
       run: call copy_libcore.bat
 
-    - name: Install jq
-      shell: powershell
-      run: |
-        if (!(Get-Command choco -ErrorAction SilentlyContinue)) {
-          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'))
-        }
-        choco install jq -y
-        $env:Path = [System.Environment]::GetEnvironmentVariable('Path','Machine') + ';' + [System.Environment]::GetEnvironmentVariable('Path','User')
-        jq --version
-
     - name: Setup Flutter
       uses: subosito/flutter-action@v2
       with: