refactor: market as standalone sidebar page, removed from dashboard

static/js/pages/dashboard.js

@@ -313,15 +313,6 @@ const PageDashboard = {
         <div class="dashboard-layout">
             <div class="dashboard-sub-sidebar">
                 <div id="dash-category-list"></div>
-                <div style="border-top:1px solid var(--border-subtle);margin:10px 8px 0;padding:12px 0 8px">
-                    <button id="btn-market-tab" class="category-item" data-cat="market" style="width:100%;justify-content:flex-start;gap:8px">
-                        <span>🏪</span> 市场
-                    </button>
-                    <div style="padding:4px 12px 0;display:flex;flex-direction:column;gap:4px">
-                        <button id="btn-market-login" class="btn btn-sm btn-primary" style="width:100%">登录</button>
-                        <button id="btn-market-upload" class="btn btn-sm btn-secondary" style="width:100%;display:none">发布到市场</button>
-                    </div>
-                </div>
                 <div style="padding:8px 12px;margin-top:auto">
                     <button id="btn-import-dashboard" class="btn btn-sm btn-secondary" style="width:100%;">导入 .tsd</button>
                 </div>