feat: remove forum feature (Phase 1)

assets/admin/src/pages/tools/ToolsUpdate.vue

@@ -91,7 +91,6 @@ const guides = [
   { key: 'meilisearch', title: 'Meilisearch', desc: '配置搜索索引与同步策略', url: '#/global/search' },
   { key: 'i18n', title: '多语言翻译', desc: '检查语言切换与术语配置', url: '#/global/i18n' },
   { key: 'cdn', title: '静态资源与 CDN', desc: '核对前端资源地址与缓存策略', url: '#/global/common' },
-  { key: 'forum', title: '论坛体系', desc: '检查版块、话题与版主管理', url: '#/forum' },
   { key: 'ip-geo', title: 'IP 归属地', desc: '验证 IP 查询服务与密钥配置', url: '#/extensions/security' },
   { key: 'payment', title: '支付与会员', desc: '核对网关、会员与充值配置', url: '#/payment/gateway' },
   { key: 'credits', title: '积分与签到', desc: '检查积分规则、签到与邀请奖励', url: '#/users/signin' },