remove unnecessary style

Author: wxiaoguang

web_src/css/repo/issue-list.css

@@ -84,10 +84,3 @@
   margin-right: 8px;
   text-align: left;
 }
-
-.label-filter-exclude-info code {
-  border: 1px solid var(--color-secondary);
-  border-radius: var(--border-radius);
-  padding: 1px 2px;
-  font-size: 11px;
-}