feat: Remove custom page title from health plan summary, use pages.json configured title

cfc-frontend/pages/health/health-plan-summary.vue

@@ -232,9 +232,6 @@
 
     <!-- 查看模式 -->
     <view class="section plan-view-section" v-if="viewMode && planDetail">
-      <view class="section-header">
-        <text class="section-title">📊 健康方案</text>
-      </view>
       <view class="plan-meta">
         <text class="plan-meta-item">目标：{{ planDetail.goal || '—' }}</text>
         <text class="plan-meta-item" v-if="planDetail.memberName">成员：{{ planDetail.memberName }}</text>