Remove table from home page for cleaner look

layouts/index.html

@@ -4,20 +4,4 @@
     {{ .Content }}
 </section>
 
-<section>
-    <table class="sortable">
-        <caption>题目列表</caption>
-        <tr>
-            <th>题目名称</th>
-            <th>版本数目</th>
-        </tr>
-        {{ range $key, $value := .Site.Taxonomies.tasknames }}
-        <tr>
-            <td><a href="{{ (print "/tasknames/" $key | urlize) | relURL }}">{{ $key }}</a></td>
-            <td>{{ len $value }}</td>
-        </tr>
-        {{ end }}
-    </table>
-</section>
-
 {{ partial "footer.html" . }}