fix(ci): 移除 .claude 配置文件验证步骤

.claude/ 目录在 .gitignore 中被忽略，这些用户特定配置文件
不应该存在于仓库中，也不需要被 CI 检查。

Fixes #53

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -27,11 +27,6 @@ jobs:
           cd codeagent-wrapper
           go tool cover -func=coverage.out | grep total | awk '{print $3}'
 
-      - name: Validate JSON configs
-        run: |
-          jq empty .claude/settings.json
-          jq empty .claude/skills/skill-rules.json
-
       - name: Upload coverage
         uses: codecov/codecov-action@v4
         with: