refactor: remove API modules from Coolbuy PaaS display

Keep only user-facing modules: 租户端, 平台端, Cool Lining

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

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

nav-home.html

@@ -1197,20 +1197,6 @@
                             url: 'http://100.118.62.18:18888',
                             icon: '🏢'
                         },
-                        {
-                            id: 'auth-api',
-                            name: 'Auth API',
-                            description: '认证服务 · JWT鉴权',
-                            url: 'http://100.118.62.18:27089',
-                            icon: '🔐'
-                        },
-                        {
-                            id: 'foundation-api',
-                            name: 'Foundation API',
-                            description: '基础服务 · 用户权限',
-                            url: 'http://100.118.62.18:27092',
-                            icon: '🏛️'
-                        },
                         {
                             id: 'cool-lining',
                             name: 'Cool Lining',