fix: 删除解决方案页的创建日期显示

app/components/pages/solutions/SolutionDetail.vue

@@ -2,12 +2,6 @@
   <article class="solution-defail">
     <header class="solution-header">
       <h1 class="solution-title">{{ solution.title }}</h1>
-      <dl class="solution-meta">
-        <dt class="visually-hidden">CreatedAt:</dt>
-        <dd class="solution-date">
-          {{ new Date(solution.createAt).toLocaleDateString() }}
-        </dd>
-      </dl>
       <p class="solution-summary">{{ solution.summary }}</p>
     </header>
     <section class="solution-content">