build(ci): 移除 Ruby环境配置

- 删除了 Setup Ruby 步骤及相关配置- 移除了 Update Bundler 和 Install dependencies 步骤

Author: runphp

.github/workflows/jekyll.yml

@@ -41,10 +41,6 @@ jobs:
         run: npm install && npm run build-prod
       - name: Setup Ruby
         uses: actions/setup-ruby@v1
-        with:
-          #ruby-version: '3.2.2' # Not needed with a .ruby-version file
-          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-          cache-version: 0 # Increment this number if you need to re-download cached gems
       - name: Update Bundler
         run: gem install bundler
       - name: Install dependencies