修改比赛页面的部分交互

template/src/oj/contest/my_submissions_list.html

@@ -17,7 +17,7 @@
         {% include "oj/problem/_problem_header.html" %}
         <table class="table table-bordered">
             <thead>
-            <tr class="" success>
+            <tr>
                 <th>#</th>
                 <th>提交时间</th>
                 <th>语言</th>